The task is to generate the correct answer for a given math problem.

Ex Input:
Problem: a train passes a platform in 32 seconds . the same train passes a man standing on the platform in 20 seconds . if the speed of the train is 54 km / hr , the length of the platform is

Ex Output:
180 meter

Ex Input:
Problem: a = 5 ^ 10 - 625 ^ 2 and a / x is an integer , where x is a positive integer greater than 1 , such that it does not have a factor p such that 1 < p < x , then how many different values for x are possible ?

Ex Output:
two

Ex Input:
Problem: approximately how many revolutions will be made by a car tire with a 10 - inch diameter if the car travels 1 2 mile ?

Ex Output:
1003