GallonsKilometersToMPGCalculationEngine.java

package com.evancharlton.mileage.calculators;

public class GallonsKilometersToMPGCalculationEngine extends USCalculationEngine {
	@Override
	public double calculateEconomy(double distance, double fuel) {
		distance = kmToMiles(distance);
		return super.calculateEconomy(distance, fuel);
	}

	@Override
	public String getDistanceUnits() {
		return " Kilometers";
	}

	@Override
	public String getDistanceUnitsAbbr() {
		return " K";
	}

	public String help() {
		return "This system expects:\n fuel: gallons\n odometer: kilometers\n economy: miles per gallon";
	}
}