instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: by selling an article at rs . 600 , a shopkeeper makes a profit of 25 % . at what price should he sell the article so as to make a loss of 25 % ?
answer:
s . 360

question:
Problem: two trains running in opposite directions cross a man standing on the platform in 37 seconds and 27 seconds respectively and they cross each other in 29 seconds . the ratio of their speeds is :
answer:
1 :

question:
Problem: a certain number of men can do a work in 60 days . if there were 8 men less it could be finished in 10 days more . how many men are there ?
answer:
56