Every day, while going to school, Shane drives a total of 10 miles. Calculate the total distance he drives in an 80 day semester from home to school and back.
To go to school and back, Shane drives 2*10 = 
<gadget id="calculator">2*10</gadget>
<output>20</output>
20 miles per day.
In 80 days of a semester, he drives for 80*20 = 
<gadget id="calculator">80*20</gadget>
<output>1_600</output>
1600 miles.

<result>1_600</result>