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

Ex Input:
Problem: if sharon ' s weekly salary increased by 16 percent , she would earn $ 348 per week . if instead , her weekly salary were to increase by 15 percent , how much would she earn per week ?

Ex Output:
$ 345


Ex Input:
Problem: a 10 % stock yields 8 % . the market value of the stock is :

Ex Output:
rs . 125


Ex Input:
Problem: a can do a piece of work in 5 hours ; b and c together can do it in 3 hours , while a and c together can do it in 2 hours . how long will b alone take to do it ?

Ex Output:

30