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: how many zeroes are there at the end of the number n , if n = 100 ! + 200 ! ?

Ex Output:
2


Ex Input:
Problem: kim finds a 6 - meter tree branch and marks it off in thirds and fifths . she then breaks the branch along all the markings and removes one piece of every distinct length . what fraction of the original branch remains ?

Ex Output:

3 /