Problem: in a fuel station the service costs $ 1.75 per car , every liter of fuel costs 0.45 $ . assuming that a company owns 12 cars and that every fuel tank contains 55 liters and they are all empty , how much money total will it cost to fuel all cars ?
Rationale: 12 * 1.75 + 0.45 * 12 * 55 = 318 hence - a
annotated_formula: multiply(multiply(0.45, 55), 12)