Keegan is in school for 7.5 hours each day and he is taking 7 classes. He has history and chemistry classes for a combined total of 1.5 hours. How many minutes does Keegan spend in one of his other classes on average?
He has 7-2=
<gadget id="calculator">7-2</gadget>
<output>5</output>
5 other classes
7.5 hours - 1.5 hours = 
<gadget id="calculator">7.5-1.5</gadget>
<output>6</output>
6 hours
6 hours = 
<gadget id="calculator">6*60</gadget>
<output>360</output>
360 minutes
360/5 = 
<gadget id="calculator">360/5</gadget>
<output>72</output>
72 minutes.
Keegan spends 72 minutes in one of his other classes.

<result>72</result>