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

[Q]: Problem: carl is facing very difficult financial times and can only pay the interest on a $ 10,000 loan he has taken . the bank charges him a quarterly compound rate of 8 % . what is the approximate interest he pays annually ?
[A]: 3500


[Q]: Problem: the curved surface of a sphere is 64 π cm 2 . find its radius ?
[A]: 4', 'd ) 9', 'e ) 7'


[Q]: Problem: a team won 50 percent of its first 60 games in a particular season , and 80 percent of its remaining games . if the team won a total of 70 percent of its games that season , what was the total number of games that the team played ?
[A]:
18