Royston is driving to a popular amusement park with his family.
Royston’s car had 15 1/5 gallons of gas at the start of the trip. During the trip, he stopped at a gas station and refueled the car with 5 3/5 gallons. If the car consumed 17 4/5 gallons of gas during the trip, there are still ___ gallons of gas remaining in the tank.
