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

[EX Q]: 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 .
[EX A]: 21,600

[EX Q]: Problem: which number can we add to 425897 to get a number exactly divisible by 456 ?
[EX A]: 7

[EX Q]: Problem: in country z , 12 % of the people do not have a university diploma but have the job of their choice , and 25 % of the people who do not have the job of their choice have a university diploma . if 40 % of the people have the job of their choice , what percent of the people have a university diploma ?
[EX A]:
43 %