in English (not American) a gallon is 8 pints a quart is 2pints (quarter of a gallon) so 2.25 quarts is one half gallon and one half pint.
in America where a gallon is only six pints (and i guess a quart is still 2 pints duh?) the answer is 1½ half gallons (4.5 pints)
6 x 1/2 gallons = 3 gallons.
1/2 pint = 0.0625 US gallons
There are 8 pints in one gallon so 36 pints equals 36/8 gallons, which is 4.5 (four and a half) gallons.
102 oz is equal to 0.796875 gallons.
336.62 gallons.
20 half-gallons.
2 half gallons equal a gallon.
6 x 1/2 gallons = 3 gallons.
.78 gallons.
7 gallons is 112 half-pints.
64
28
half a gallon
4.5 US gallons = 72 US cups
2 quarts equal one half of a gallon.
20 Imperial pints equal two and a half Imperial gallons.
That is 28 pints