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

[EX Q]: Problem: 20 percent of country y ' s yearly exports come from fruit exports . one - sixth of all fruit exports from country y are orange exports . if country y generates $ 4.25 million from its orange exports , how much money does it generate from its yearly total of exports ?
[EX A]: $ 127.5 m

[EX Q]: Problem: what is the prime factors ' number of 18 ?
[EX A]: 3

[EX Q]: Problem: the ratio of the present age of sandy to that of molly is 9 : 2 . eight years from now , the ratio of the ages of sandy to molly will be 5 : 2 . what was sandy ' s age 6 years ago ?
[EX A]:
21