Claire earns 1 girl scout badge every month.  It takes Amber twice as long to earn a badge than Claire.  Wendy earns three times the amount of badges as Claire in the same time frame.  How many more badges does Wendy earn compared to Amber in a 1 year time frame?
Claire earns 1 badge every month so over 12 months she earns 1*12 = 
<gadget id="calculator">1*12</gadget>
<output>12</output>
12 badges.
It takes Amber twice as long as Claire to earn a badge so over 1 year she earns 12/2 = 
<gadget id="calculator">12/2</gadget>
<output>6</output>
6 badges.
Wendy earns 3 times the amount of badges compared to Claire who earns 12 badges so over 1 year Wendy earns 3*12 = 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 badges.
Wendy earns 36 badges while Amber earns 6 so Wendy has earned 36-6 = 
<gadget id="calculator">36-6</gadget>
<output>30</output>
30 more badges.

<result>30</result>