← Heatmap / Gemini 3.1 Flash Lite · Task 67
Gemini 3.1 Flash Lite · Tool use · Task 67 (Traps, missing month)
Mean -50.0%
| Field | Expected | Rollout #1 (-50%) | Rollout #2 (-50%) | Rollout #3 (-50%) |
|---|---|---|---|---|
| decision | clarify | calculate | calculate | calculate |
| currency | LCR | LCR | LCR | |
| gross pay | 8261.80 | 8261.80 | 8261.80 | |
| employee contribution | 240.00 | 240.00 | 240.00 | |
| allowed deduction | 143.37 | 143.37 | 143.37 | |
| taxable pay | 7878.43 | 7878.43 | 7878.43 | |
| income tax | 1313.25 | 1213.25 | 1213.25 | |
| net pay | 6565.18 | 6665.18 | 6665.18 | |
| reason code | MISSING_PAYROLL_MONTH | |||
| clauses | R1 R7 | R1 R2 R3 R4 R5 R6 | R1 R2 R3 R4 R5 R6 | R1 R2 R3 R4 R5 R6 |
Prompt
Process this monthly payroll record under the supplied rulebook. Return the R6 or R7 JSON answer. Retrieve the case inputs with list_documents and read_document. Reference rows are available only through lookup_reference. Use calculate for exact decimal arithmetic.
Rollouts
Rollout #1 -50.0% answered trap · 4 tool calls · 6.1s · $0.0033
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "cc74d2a8fe768d29-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="cc74d2a8fe768d29-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "8261.80", "allowed_deduction": "143.37"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.06",
"cap": "4000.00",
"deduction": "400.00",
"free": "1000.00",
"upper": "3000.00",
"middle_rate": "0.12",
"upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(8261.80, 4000.00) * 0.06, 2)\ntaxable_pay = 8261.80 - employee_contribution - 143.37\ntax_bracket_1 = max(0, min(taxable_pay, 1000.00) - 0.00) * 0.00\ntax_bracket_2 = max(0, min(taxable_pay, 3000.00) - 1000.00) * 0.12\ntax_bracket_3 = max(0, taxable_pay - 3000.00) * 0.22\nincome_tax = round(tax_bracket_1 + tax_bracket_2 + tax_bracket_3, 2)\nnet_pay = 8261.80 - employee_contribution - 143.37 - income_tax")Tool
{
"results": {"employee_contribution": "240.00", "taxable_pay": "7878.43", "tax_bracket_1": "0.0000", "tax_bracket_2": "240.0000", "tax_bracket_3": "1073.2546", "income_tax": "1313.25", "net_pay": "6565.18"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "8261.80",
"employee_contribution": "240.00",
"allowed_deduction": "143.37",
"taxable_pay": "7878.43",
"income_tax": "1313.25",
"net_pay": "6565.18",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Rollout #2 -50.0% answered trap · 5 tool calls · 7.3s · $0.0043
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "cc74d2a8fe768d29-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="cc74d2a8fe768d29-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "8261.80", "allowed_deduction": "143.37"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.06",
"cap": "4000.00",
"deduction": "400.00",
"free": "1000.00",
"upper": "3000.00",
"middle_rate": "0.12",
"upper_rate": "0.22"
}
Assistant
calculate(program="payroll_month = \"2026-06\"\ngross_pay = 8261.80\nallowed_deduction = 143.37\nemployee_contribution = round(min(gross_pay, 4000.00) * 0.06, 2)\ntaxable_pay = gross_pay - employee_contribution - allowed_deduction\ntax_free = 1000.00\nupper_boundary = 1000.00 + 3000.00\ntax_bracket_1 = max(0, min(taxable_pay, tax_free))\ntax_bracket_2 = max(0, min(taxable_pay, upper_boundary) - tax_free)\ntax_bracket_3 = max(0, taxable_pay - upper_boundary)\nincome_tax = round(tax_bracket_2 * 0.12 + tax_bracket_3 * 0.22, 2)\nnet_pay = gross_pay - employee_contribution - allowed_deduction - income_tax")Tool
{
"error": "Unsupported expression; use numbers, names, + - * /, min, max, round(x, 2)"
}
Assistant
calculate(program="gross_pay = 8261.80\nallowed_deduction = 143.37\nemployee_contribution = 240.00\ntaxable_pay = 7878.43\ntax_bracket_2 = 3000.00\ntax_bracket_3 = 3878.43\nincome_tax = round(3000.00 * 0.12 + 3878.43 * 0.22, 2)\nnet_pay = 8261.80 - 240.00 - 143.37 - 1213.25")Tool
{
"results": {"gross_pay": "8261.80", "allowed_deduction": "143.37", "employee_contribution": "240.00", "taxable_pay": "7878.43", "tax_bracket_2": "3000.00", "tax_bracket_3": "3878.43", "income_tax": "1213.25", "net_pay": "6665.18"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "8261.80",
"employee_contribution": "240.00",
"allowed_deduction": "143.37",
"taxable_pay": "7878.43",
"income_tax": "1213.25",
"net_pay": "6665.18",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Rollout #3 -50.0% answered trap · 4 tool calls · 4.9s · $0.0033
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "cc74d2a8fe768d29-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="cc74d2a8fe768d29-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "8261.80", "allowed_deduction": "143.37"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.06",
"cap": "4000.00",
"deduction": "400.00",
"free": "1000.00",
"upper": "3000.00",
"middle_rate": "0.12",
"upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(8261.80, 4000.00) * 0.06, 2)\ntaxable_pay = 8261.80 - employee_contribution - 143.37\ntax_bracket1 = min(max(taxable_pay - 1000.00, 0), 3000.00)\ntax_bracket2 = max(taxable_pay - 4000.00, 0)\nincome_tax = round(tax_bracket1 * 0.12 + tax_bracket2 * 0.22, 2)\nnet_pay = 8261.80 - employee_contribution - 143.37 - income_tax")Tool
{
"results": {"employee_contribution": "240.00", "taxable_pay": "7878.43", "tax_bracket1": "3000.00", "tax_bracket2": "3878.43", "income_tax": "1213.25", "net_pay": "6665.18"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "8261.80",
"employee_contribution": "240.00",
"allowed_deduction": "143.37",
"taxable_pay": "7878.43",
"income_tax": "1213.25",
"net_pay": "6665.18",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}