Numbers 7:3 in the World English Bible
and they brought their offering before the LORD, six covered wagons and twelve oxen; a wagon for every two of the princes, and for each one an ox. They presented them before the tabernacle.
Context
2 That the princes of Israel, heads of the house of their fathers, who were the princes of the tribes, and were over them that were numbered, offered:
3 And they brought their offering before the LORD, six covered wagons, and twelve oxen; a wagon for two of the princes, and for each one an ox: and they brought them before the tabernacle.
4 And the LORD spake unto Moses, saying,