Gallons to Liters Conversion (gal to L) - Inch Calculator
Convert Liters to Gallons (l to gal): Formula, Definition, Facts
3 Ways to Convert Gallons to Liters - wikiHow
SOLVED: I need help with the answer as it is very difficult. In London, a litre of petrol costs 108.9p. In New York, a US gallon of petrol costs 82.83. 1 US