Cheryl got angry with her sister and decided to run away from home. She walked 2 miles every hour for 3 hours. Then she got homesick and walked back home. How many miles did Cheryl walk in total?
Cheryl walked 2 miles x 3 hours = 
<gadget id="calculator">2*3</gadget>
<output>6</output>
6 miles.
Once Cheryl was 6 miles away, she walked back home, another 6 miles, so she walked 6 + 6 = 
<gadget id="calculator">6+6</gadget>
<output>12</output>
12 miles.

<result>12</result>