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

Input: Consider Input: Problem: two trains travel in opposite directions at 36 kmph and 45 kmph and a man sitting in slower train passes the faster train in 12 seconds . the length of the faster train is

Output: 270 m


Input: Consider Input: Problem: if 5 a = 3125 , then the value of 5 ( a - 3 ) is :

Output: 25


Input: Consider Input: Problem: the distance between a & b is 1540 km . a person is traveling from a to b at 100 km / hr started at 6 am and another person is traveling from b to a at 120 km / hr and started at same time . then at what time they meet together .


Output: 1 pm