instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: what is the sum of natural numbers between 30 and 100
answer:
4615

question:
Problem: students at a school were on average 180 cm tall . the average female height was 170 cm , and the average male height was 182 cms . what was the ratio of men to women ?
answer:
5 : 1

question:
Problem: 3 numbers are in the ratio 3 : 5 : 7 . the largest number value is 70 . find difference between smallest & largest number is ?
answer:
40