Answer
$0.0285\text{ gallons}$
Work Step by Step
We use the conversion factor:
$1\text{ U.S. gallon}=3785.41\text{ mL}$
We calculate:
$\frac{108\text{ mL}}{3785.41\text{ mL/gallon}}\approx 0.0285\text{ gallons}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.