Xavier runs three times as many miles as Katie, who runs 4 times as many miles as Cole. If Xavier runs 84 miles, how many miles does Cole run?
Katie runs one-third of Xavier's distance, which is 84/3 miles = 
<gadget id="calculator">84/3</gadget>
<output>28</output>
28 miles.
Cole runs a quarter of Katie's distance, which translates to 28/4 = 
<gadget id="calculator">28/4</gadget>
<output>7</output>
7 miles.

<result>7</result>