calculate 469200 x 9999 =?  Choose the correct answer
A) 4586970843
B) 4686970743
C) 4691100843
D) 4586870843
E) 4691530800
<gadget id="calculator">469_200 * 9_999</gadget>
<output>4_691_530_800</output>

<result>E</result>
calculate 469200 x 9999 =?
multiply(469200, 9999)
"answer 469200 x 9999 = 469200 x ( 10000 - 1 ) = 4692000000 - 469200 = 4691100843 . option : e"