instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: 5 men are equal to as many women as are equal to 8 boys . all of them earn $ 90 only . men ’ s wages are ?
answer:
$ 6


question:
Problem: if there are 200 questions in a 3 hr examination . among these questions are 100 type a problems , which requires twice as much as time be spent than the rest of the type b problems . how many minutes should be spent on type a problems ?
answer:
120 mi


question:
Problem: a man , a woman and a boy can together complete a piece of work in 3 days . if a man alone can do it in 6 days and a women alone in 18 days , how long will a boy take to complete the work ?
answer:

9 days