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

Input: Consider Input: Problem: find out the c . i on rs . 5000 at 4 % p . a . compound half - yearly for 1 1 / 2 years ?

Output: 306.04


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

Output: 2


Input: Consider Input: Problem: in what ratio must tea at rs . 60 per kg be mixed with tea at rs . 70 per kg so that the mixture must be worth rs . 67.5 per kg ?


Output: 1 : 3