highway driving mileage in the scion xb - take 3

Mileage on odometer: 
60,713.00
Miles driven: 
333.1
Fuel added: 
10.447
Fuel type: 
85
Cost: 
36.55
Calculated Mileage: 
31.8848

Mileage for this trip:

31.88 miles per gallon.