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

Input: Consider 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 ?

Output: 1875


Input: Consider Input: Problem: a dealer purchases 15 articles for rs . 25 and sells 12 articles for rs . 32 . find the profit percentage ?

Output: 60 


Input: Consider Input: Problem: average monthly income of a family of 4 earning members was rs . 840 . one of the earning members died and therefore , the average income came down to rs 650 . the income of the deceased was ?


Output: rs . 1410