Jace drives 60 miles per hour. If Jace drives for 4 hours straight, take a 30-minute break, and then drives for another 9 hours straight, how many miles will he travel?
Jace drives a total of 4+9 = 
<gadget id="calculator">4+9</gadget>
<output>13</output>
13 hours.
Jace will travel 60*13 = 
<gadget id="calculator">60*13</gadget>
<output>780</output>
780 miles.

<result>780</result>