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: find ( 7 x + 2 y ) / ( x - 2 y ) if x / 2 y = 3 / 2 ? 
Options: a ) 23 , b ) 25 , c ) 26 , d ) 27 , e ) 29

Output: a


Input: Consider Input: Problem: by how much is 12 % of 24.2 more than 10 % of 14.2 ? 
Options: a ) 0.1484 , b ) 14.84 , c ) 1.484 , d ) 2.762 , e ) none

Output: c


Input: Consider Input: Problem: if 638521 is to be divisible by 5 , what is the least whole number that should be added to ? 
Options: a ) 8 , b ) 7 , c ) 5 , d ) 4 , e ) 3


Output: d