Robert ate 7 chocolates, Nickel ate 3 chocolates. How many more chocolates did Robert ate than nickel?	Choose the correct choice: A) 4 B) 7 C) 9 D) 5 E) 2
7-3= 
<gadget id="calculator">7-3</gadget>
<output>4</output>
4. 4nswer is 4
<result>A</result>
Robert ate 7 chocolates, Nickel ate 3 chocolates. How many more chocolates did Robert ate than nickel?