Numbers 7:87 in the World English Bible
all the cattle for the burnt offering twelve bulls, the rams twelve, the male lambs a year old twelve, and their meal offering; and twelve male goats for a sin offering;
Context
86 The golden spoons were twelve, full of incense, weighing ten shekels apiece, after the shekel of the sanctuary: all the gold of the spoons was an hundred and twenty shekels.
87 All the oxen for the burnt offering were twelve bullocks, the rams twelve, the lambs of the first year twelve, with their meat offering: and the kids of the goats for sin offering twelve.
88 And all the oxen for the sacrifice of the peace offerings were twenty and four bullocks, the rams sixty, the he goats sixty, the lambs of the first year sixty. This was the dedication of the altar, after that it was anointed.