Problem: if an object travels at 8 feet per second , how many feet does it travel in forty five minutes ?
Rationale: "if an object travels at 8 feet per second it covers 8 x 60 feet in one minute , and 8 x 60 x 45 feet in forty five minutes . answer = 21600 answer : c"
annotated_formula: multiply(multiply(const_3, const_60), const_60)