What is the sum of all even numbers from 1 to 701?  Choose the most appropriate option.
A) 122821  B) 281228  C) 281199  D) 122850  E) 128111
Explanation:   700/2= 
<gadget id="calculator">700/2</gadget>
<output>350</output>
350   350 * 351= 
<gadget id="calculator">350 * 351</gadget>
<output>122_850</output>
122850   Answer: 122850
<result>D</result>
What is the sum of all even numbers from 1 to 701?