Cross reference
Numbers 31:51
51 And Moses and Eleazar the priest took the gold of them, even all wrought jewels.
Numbers 7:2-6
2 that the princes of Israel, the heads of their fathers' houses, offered. These were the princes of the tribes, these are they that were over them that were numbered:
3 and they brought their oblation before Jehovah, six covered wagons, and twelve oxen; a wagon for every two of the princes, and for each one an ox: and they presented them before the tabernacle.
4 And Jehovah spake unto Moses, saying,
5 Take it of them, that they may be `used' in doing the service of the tent of meeting; and thou shalt give them unto the Levites, to every man according to his service.
6 And Moses took the wagons and the oxen, and gave them unto the Levites.