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

[EX Q]: Problem: a train 200 m long can cross an electric pole in 5 sec and then find the speed of the train ?
[EX A]: 144

[EX Q]: Problem: in a university the average age in an arts class is 21 and average age in technical class is 18 . what is the age average of university if there are 8 arts classes and 5 technical classes ?
[EX A]: 19.85

[EX Q]: Problem: on a map , 1 inch represents 28 miles . how many b inches would be necessary to represent a distance of 383.6 miles ?
[EX A]:
13.7