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

Ex Input:
Problem: find out the c . i on rs . 5000 at 4 % p . a . compound half - yearly for 1 1 / 2 years ?

Ex Output:
306.04


Ex Input:
Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?

Ex Output:
19


Ex Input:
Problem: of the 100 employees at company x , 80 are full - time , and 100 have worked at company x for at least a year . there are 20 employees at company x who aren ’ t full - time and haven ’ t worked at company x for at least a year . how many full - time employees of company x have worked at the company for at least a year ?

Ex Output:

20