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

Problem: a group of men decided to do a work in 55 days , but 15 of them became absent . if the rest of the group did the work in 60 days , find the original number of men ?
180

Problem: the area of a triangle is with base 10 m and height 5 m ?
25

Problem: 1345 - ( 1002 / 20.04 ) = ?

1295