What is the sum of all even numbers from 1 to 501?
Choose the correct option.
A) 122821 B) 281228 C) 281199 D) 62750 E) 128111
Explanation:   500/2= 
<gadget id="calculator">500/2</gadget>
<output>250</output>
250   250 * 251= 
<gadget id="calculator">250 * 251</gadget>
<output>62_750</output>
62750   Answer: 62750
<result>D</result>
What is the sum of all even numbers from 1 to 501?