Subject: mathqa
Question: gary ’ s gas station serves an average of 15 cars per hour on saturdays , 10 cars per hour on sundays , and 9 cars per hour on all other days of the week . if the station is open from 6 a . m . to 10 p . m . every day , how many cars does gary ’ s station serve over the course of a typical week ?
Option: 
A: 1,240
B: 1,320
C: 1,120
D: 1,200
Answer: C