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

Ex Input:
Problem: a car salesman earns a base salary of $ 1000 per month plus a commission of $ 200 for each car he sells . if the car salesman earned $ 2000 in march , how many cars does he need to sell in april in order to double his march earnings ?

Ex Output:
15


Ex Input:
Problem: if p and q are both odd prime numbers andp < q , then how many different positive integer factors does 2 pqhave ?

Ex Output:
8


Ex Input:
Problem: how many terminating zeroes e does 200 ! have ?

Ex Output:

49