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

Ex Input:
Problem: every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 70400 ?

Ex Output:
89100

Ex Input:
Problem: | x + 3 | | 4 - x | = | 9 + x | how many solutions will this equation have ?

Ex Output:
1

Ex Input:
Problem: the s . i . on a certain sum of money for 2 years at 4 % per annum is half the c . i . on rs . 4000 for 2 years at 10 % per annum . the sum placed on s . i . is ?

Ex Output:
5250