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

[EX Q]: Problem: . 005 / ? = . 01
[EX A]: . 5

[EX Q]: Problem: two cars start at the same time from opposite ends of a highway that is 175 miles long . one car is riding at 25 mph and the second car is riding at 45 mph . how long after they begin will they meet ?
[EX A]: 2.5

[EX Q]: Problem: in a 80 meters race a beats b by 56 m or 7 seconds . a ' s time over the course is :
[EX A]:
3 seconds