and 5 times 750 is 3750ml, which is equal to .99 gallons.. so the answer is (thanks to Jackie) Yes.

(i am by no means a teatotaler, but i make a habit not to drink alone, so i rarely have hard liquor in the house--when i am having a party, i tend to by the 2 liter (apx 1/2 gallon!) bottles.. so its feast or famine!)