Numbers 7:5 YLT

³  yea, they bring their offering before Jehovah, six waggons covered, and twelve oxen -- a waggon for two of the princes, and an ox for one -- and they bring them near before the tabernacle.

⁴  And Jehovah speaketh unto Moses, saying,

⁵  'Receive from them, and they have been to do the service of the tent of meeting, and thou hast given them unto the Levites, each according to his service.'

⁶  And Moses taketh the waggons and the oxen, and giveth them unto the Levites.

⁷  The two of the waggons and the four of the oxen he hath given to the sons of Gershon, according to their service,