Solve:-
666 x 666 x 666 + 555 x 555 x 555 = ?(666 x 666 - 666 x 555 + 555 x 555)	Choices
A) 888
B) 333
C) 555
D) 1221
E) 889
Given Exp. = (a3 + b3) = (a + b) = (666 + 555)= 
<gadget id="calculator">(666 + 555)</gadget>
<output>1_221</output>
1221(a2 - ab + b2)   Answer 1221
<result>D</result>
Solve:-
666 x 666 x 666 + 555 x 555 x 555 = ?(666 x 666 - 666 x 555 + 555 x 555)