The oil offering (Ezek 45:14-45:14)

“The fixed portion of oil

Was one-tenth

Of a bath

From each cor.

The cor,

Like the homer,

Contains ten baths.”

Yahweh, via Ezekiel, has the oil offerings at only 10%, 1/10^th of a bath from each cor. The cor was the same measurement as a homer, about 60 gallons. Thus 10% would be about 6 gallons.