Distance per Tank of Gas A car with a 20-gallon gas tank averages 21.5 miles per gallon when driven in [Own and 26.8 miles per gallon when driven on the highway. Write a program that calculates and displays the distance the car can travel on one tank of gas when driven in town and when driven on the highway. Hint: The following formula can be used to calculate the distance: Distance = Number of Gallons x Average Miles per Gallon.