Julio goes fishing and can catch 7 fish every hour. By the 9th hour, how many fish does Julio have if he loses 15 fish in the process?
Julio catches a total of 7 fish/hour * 9 hours = 
<gadget id="calculator">7*9</gadget>
<output>63</output>
63 fish.
After losing some of the fish, Julio has 63 fish - 15 fish = 
<gadget id="calculator">63-15</gadget>
<output>48</output>
48 fish.

<result>48</result>