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?  Choose the most appropriate option.
A) 600
B) 800
C) 1000
D) 1200
E) 1400
Each term in set B is 40 more than the corresponding term in set A.   The difference of the sums = 25 * 40= 
<gadget id="calculator">25 * 40</gadget>
<output>1_000</output>
1000.   The answer is 1000.
<result>C</result>
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?