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

Example Input: Problem: the average of first 5 multiples of 5 is
Example Output: 1

Example Input: Problem: for all positive integers m , [ m ] = 3 m when m is odd and [ m ] = ( 1 / 2 ) * m when m is even . what is [ 5 ] * [ 8 ] equivalent to ?
Example Output: [ 120 ]

Example Input: Problem: in an election between two candidates , one got 55 % of the total valid votes . 20 % of the votes were invalid . if the total number of votes was 7500 , what was the number of valid votes that the other candidate got ?
Example Output:
2700