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

Input: Consider Input: 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 ?

Output: $ 6

Input: Consider Input: Problem: excluding stoppages , the average speed of a bus is 60 km / hr and including stoppages , the average speed of the bus is 40 km / hr . for how many minutes does the bus stop per hour ?

Output: 20 min

Input: Consider Input: Problem: if the price of a certain computer increased 30 percent from c dollars to 351 dollars , then 2 c =
Output: 540