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