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

[EX Q]: Problem: in a garment industry , 12 men working 9 hours per day complete a piece of work in 10 days . to complete the same work in 12 days , working 15 hours a day , the number of men required is :
[EX A]: 7

[EX Q]: Problem: a can do a work in 15 days and b in 20 days . if they work on it together for 7 days , then the fraction of the work that is left is
[EX A]: 11 / 6

[EX Q]: Problem: total dinning bill of 6 people was $ 139.00 and 10 % tip divided the bill evenly ? what is the bill amount each person shared .
[EX A]:
25.4