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

Example Input: Problem: a certain rectangular crate measures 8 feet by 14 feet by 16 feet . a cylindrical gas tank is to be made for shipment in the crate and will stand upright when the crate is placed on one of its six faces . what should the radius of the tank be if it is to be of the largest possible volume ?
Example Output: 6

Example Input: Problem: how much interest will $ 8,000 earn in 9 months at an annual rate of 6 % ?
Example Output: $ 360

Example Input: Problem: the contents of a certain box consist of 24 oranges and 30 kiwis . how many kiwis must be added to the box so that exactly 30 % of the pieces of fruit in the box will be oranges ?
Example Output:
26