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

Problem: a , b and c start a business each investing 20,000 . after 6 months a withdrew 5000 , b withdrew 4000 and c invests 6000 more . at the end of the year , a total profit of 67,600 was recorded . find the share of b .
21,600

Problem: positive integer y is 50 percent of 25 percent of positive integer x , and y percent of x equals 100 . what is the value of y ?
125

Problem: find the simple interest on rs . 70,000 at 16 2 / 3 % per year for 9 months .

8750