TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: when the price of a product was decreased by 20 % , the number sold increased by 60 % . what was the effect on the total revenue ?

SOLUTION: 28 %

PROBLEM: Problem: ? x 12 = 173 x 240

SOLUTION: 3460

PROBLEM: Problem: in what time will a train 100 meters long cross an electric pole , if its speed is 72 km / hr

SOLUTION:
5 seconds