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

[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: meena wrote all the numbers from 1 to 29,999 inclusive . how many digits did she write in total ?
[EX A]: 138,889

[EX Q]: Problem: ( √ 112 + √ 567 ) / √ 175 = ?
[EX A]:
13 / 5