instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: calculate the sum of first 60 natural numbers .
answer:
1830


question:
Problem: how many liters of a 40 % iodine solution need to be mixed with 35 liters of a 20 % iodine solution to create a 32 % iodine solution ?
answer:
102


question:
Problem: a student was asked to find 4 / 5 of a number . but the student divided the number by 4 / 5 , thus the student got 27 more than the correct answer . find the number .
answer:

60