###Human: 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?, ### Assistant: Jace drives a total of 4+9 = 13 hours.
Jace will travel 60*13 = 780 miles. 
 So the answer is :  780