Scott has 7 pairs of shoes.  Anthony has 3 times as many pairs of shoes as Scott, and Jim has 2 less pairs than Anthony.  How many more pairs of shoes does Anthony have compared to Jim?
Anthony:7(3)=21.
Jim:21-2=
<gadget id="calculator">21-2</gadget>
<output>19</output>
19.
Anthony has 21-19=
<gadget id="calculator">21-19</gadget>
<output>2</output>
2 more pairs of shoes.

<result>2</result>