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

Ex Input:
Problem: if k and w are the dimensions of a rectangle that has area 48 , and if k and w are integers such that k > w , what is the total number of possible values of k ?

Ex Output:
four

Ex Input:
Problem: the average age of 10 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men . the average age of the two new men is

Ex Output:
3

Ex Input:
Problem: a can do a piece of work in 28 days and b alone can do it in 10 days . b works at it for 5 days and then leaves . a alone can finish the remaining work in

Ex Output:
14 days