Task: Question Answering
Input (English): Problem: set a contains all the even numbers between 22 and 70 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 ) 600 , b ) 800 , c ) 1000 , d ) 1200 , e ) 1400
Output (English): c