72519 x 9999 = ?  Choices:
A) 725117481  B) 674217481  C) 685126481  D) 696217481  E) None of them
=7259 x 9999   =7259 x (10000 - 1)   =72519 x 10000 - 72519 x 1   =725190000 - 72519= 
<gadget id="calculator">725190000 - 72519</gadget>
<output>725_117_481</output>
725117481   725117481nswer is 725117481
<result>A</result>
72519 x 9999 = ?