Task: Question Answering
Input (English): Problem: set a contains all the even numbers between 42 and 90 inclusive . set b contains all the even numbers between 62 and 110 inclusive . what is the difference between the sum of elements of set b and the sum of the elements of set a ? 
Options: a ) 300 , b ) 350 , c ) 400 , d ) 450 , e ) 500
Output (English): e