instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a train 800 m long can cross a pole in 10 sec and then find the speed of the train ?
answer:
28


question:
Problem: a man is 28 years older than his son . in two years , his age will be twice the age of his son . the present age of the son is ?
answer:
26


question:
Problem: the owner of a furniture shop charges his customer 20 % more than the cost price . if a customer paid rs . 8600 for a computer table , then what was the cost price of the computer table ?
answer:

rs . 7166