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: ( 700 + 200 ) a 4 a ( 4 + 2 ) = ?
Options: a ) 24500 , b ) 21600 , c ) 36600 , d ) 22400 , e ) 12500

Output: b

Input: Consider Input: Problem: a is two years older than b who is twice as old as c . if the total of the ages of a , b and c be 12 , the how old is b ?
Options: a ) 10 years , b ) 4 years , c ) 6 years , d ) 15 years , e ) 16 years

Output: b

Input: Consider Input: Problem: what is the remainder when 43 * 49 is divided by 8 ?
Options: a ) 1 , b ) 3 , c ) 4 , d ) 5 , e ) 7
Output: b