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

Ex Input:
Problem: find the sum the difference between the compound and s . i . on a certain sum of money for 5 years at 20 % per annum is rs . 75 of money ?

Ex Output:
1875


Ex Input:
Problem: if each side of a square is increased by 20 % , find the percentage change in its area ?

Ex Output:
44 %


Ex Input:
Problem: rajani has to read a book of 445 pages . she has already read the first 157 pages of the book and if she reads 24 pages of the book everyday then how long will she take now to complete the book ?

Ex Output:

none of thes