1280 WHAT? It might be bigger or it might not - you didn't say what units you are comparing the gallons to.
Yes and no. 1280 gallons is greater than 1 litre but it is not greater than 1 megalitre.
No
Yes
1 mile is equal to 5280 feet. This is 1280 feet greater than 4000.
It is greater than
No, gallons are greater than quarts. There are 4 quarts in 1 gallon.
3 gallons and 13 quarts is greater than one tiny drop.
Four times greater.
6 gallons is greater.
4 gallons is greater than 16 pints.
greater
greater
2 and 1/12 gallons is greater than 2 gallons but 2 and 1/12 ounces is not!