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

[Q]: Problem: students at a school were on average 180 cm tall . the average female height was 170 cm , and the average male height was 184 cms . what was the ratio a of men to women ?
[A]: 5 : 2


[Q]: Problem: a retailer buys 80 pens at the market price of 36 pens from a wholesaler , if he sells these pens giving a discount of 1 % , what is the profit % ?
[A]: 12


[Q]: Problem: the average of first 17 even numbers is ?
[A]:
18