Jason is climbing a telephone pole next to a tree his friend Matt is climbing. Matt can climb 6 feet/minute and Jason can climb 12 feet per minute. After 7 minutes, how much higher will Jason be than Matt?
First find the distance Matt climbs in 7 minutes: 6 feet/minute * 7 minutes = 
<gadget id="calculator">6*7</gadget>
<output>42</output>
42 feet.
Then find the distance Jason climbs in 7 minutes: 12 feet/minute * 7 minutes = 
<gadget id="calculator">12*7</gadget>
<output>84</output>
84 feet.
Then subtract the distance Matt climbs from the distance Jason climbs to find the difference: 84 feet - 42 feet = 
<gadget id="calculator">84-42</gadget>
<output>42</output>
42 feet.

<result>42</result>