instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: if one - third of one - fourth of a number is 18 , then 3 - tenth of that number is : a . 35
answer:
64.8


question:
Problem: the compound interest on $ 30,000 at 7 % p . a is $ . 4347 . find out the period ( in years ) ?
answer:
2


question:
Problem: the average weight of a group of boys is 30 kg . after a boy of weight 45 kg joins the group , the average weight of the group goes up by 1 kg . find the number of boys in the group originally ?
answer:

14