I would like to know how many miles i Can travel on 3.875 liters of gas.?

[smallwondermale]

i can go 62.1 miles on 2.5 liters of gas. That is what my tank holds, but i need to know how many miles i can go on 3.875 liters which = 1 u.s. Gallon. I don't know what the formula would be to figure it out.