Robert ate 7 chocolates, Nickel ate 5 chocolates. How many more chocolates did Robert ate than nickel?
Choose the correct choice from the following:
A) A)4	B) B)7	C) C)9	D) D)5	E) E)2
7-5= 
<gadget id="calculator">7-5</gadget>
<output>2</output>
2. Answer is 2
<result>E</result>
Robert ate 7 chocolates, Nickel ate 5 chocolates. How many more chocolates did Robert ate than nickel?