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

Ex Input:
Problem: a 9 % stock yields 8 % . the market value of the stock is :

Ex Output:
rs . 112.50


Ex Input:
Problem: a company pays 12.5 % dividend to its investors . if an investor buys rs . 60 shares and gets 25 % on investment , at what price did the investor buy the shares ?

Ex Output:
30


Ex Input:
Problem: what is the least value of x , so that 23 x 57 is divisible by 3

Ex Output:

1