how much is a gallon
A gallon is 4 quarts which is also equal to 8 pints. A gallon is also equivalent to 3.79 liters in metric measure.
How much a gallon of gas is these days depends on where you live. Prices as of March 2012 are running anywhere from $3.50 per gallon (which is hard to find), to over $5.00 per gallon. The average is currently around $4.29 a gallon.