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'.

[EX Q]: Problem: if 2 ^ ( 2 w ) = 8 ^ ( w − 3 ) , what is the value of w ? 
Options: a ) 3 , b ) 6 , c ) 9 , d ) 12 , e ) 15
[EX A]: c

[EX Q]: Problem: the number 152 is equal to the sum of the cubes of two integers . what is the product of those integers ? 
Options: a ) 8 , b ) 15 , c ) 21 , d ) 27 , e ) 39
[EX A]: b

[EX Q]: Problem: when 1 / 20 % of 4,000 is subtracted from 1 / 20 of 4,000 , the difference is 
Options: a ) 50 , b ) 198 , c ) 380 , d ) 398 , e ) 400
[EX A]:
b