Macy has a goal of running a total of 24 miles per week. If she runs 3 miles per day, how many miles does Macy have left to run after 6 days so that she could meet her goal?
In 6 days, Macy is able to run 3 x 6 = 
<gadget id="calculator">3*6</gadget>
<output>18</output>
18 miles.
Therefore, she has 24 - 18 = 
<gadget id="calculator">24-18</gadget>
<output>6</output>
6 miles left to run to meet her goal.

<result>6</result>