Round trip drive to one school I work in - 32 miles.
Round trip drive to another school I work in - 40 miles.
Driving forth and back to each place in one day - 72 miles.
At $2.039/gallon, considering the mileage my car gets... (whir, whir, click, whir)... $8.64
Plus tolls on the Garden State Parkway for both trips... $2.90
Total, $11.54 and about 2 hours of time.
Isn't work fun?