Luke ate 2 hot dogs. Thomas ate three times more hot dogs than Luke. John ate half the amount Thomas ate. How many more hot dogs did John eat than Luke?
Thomas ate 3 * 2 = 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6 hot dogs.
John ate 6/2 = 
<gadget id="calculator">6/2</gadget>
<output>3</output>
3 hot dogs.
John ate 3 - 2 = 
<gadget id="calculator">3-2</gadget>
<output>1</output>
1 more hot dog than Luke.

<result>1</result>