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

Ex Input:
Problem: a train covers a distance of 12 km in 10 minutes . if it takes 8 seconds to pass a telegraph post , then the length of the train is

Ex Output:
160 m


Ex Input:
Problem: what is the sum of the numbers between 1 and 14 , inclusive ?

Ex Output:
105


Ex Input:
Problem: the h . c . f of two numbers is 23 and the other two factors of their l . c . m are 13 and 14 . the larger of the two numbers is :

Ex Output:

322