In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the milk level in a rectangular box measuring 62 feet by 25 feet is to be lowered by 6 inches . how many gallons of milk must be removed ? ( 1 cu ft = 7.5 gallons ) 
Options: a ) 100 , b ) 250 , c ) 750 , d ) 5812.5 , e ) 5835.5

Output: d


Input: Consider Input: Problem: the sum of three consecutive multiples of 3 is 117 . what is the largest number ? 
Options: a ) 45 , b ) 48 , c ) 51 , d ) 42 , e ) 54

Output: d


Input: Consider Input: Problem: a 40 gallon solution of salt and water is 10 % salt . how many gallons of water must be added to the solution in order to decrease the salt to 8 % of the volume ? 
Options: a ) 810 , b ) 12 , c ) 13 , d ) 14 , e ) 16


Output: a