Jeannie hikes the 12 miles to Mount Overlook at a pace of 4 miles per hour, and then returns at a pace of 6 miles per hour. How long did her hike take, in hours?
Up, took 12/4=
<gadget id="calculator">12/4</gadget>
<output>3</output>
3 hours.
Down, took 12/6=
<gadget id="calculator">12/6</gadget>
<output>2</output>
2 hours.
Total time was 3+2=
<gadget id="calculator">3+2</gadget>
<output>5</output>
5 hours.

<result>5</result>