All the livestock sacrificed for the peace offering totaled twenty-four bulls, sixty rams, sixty male goats, and sixty male lambs a year old. This was the dedication offering for the altar after it was anointed.

Leviticus 3:9
And from the peace offering he shall bring an offering made by fire to the LORD consisting of its fat: the entire fat tail cut off close to the backbone, the fat that covers the entrails, all the fat that is on them,

Numbers 7:1
On the day Moses finished setting up the tabernacle, he anointed and consecrated it and all its furnishings, along with the altar and all its utensils.

Numbers 7:10
When the altar was anointed, the leaders approached with their offerings for its dedication and presented them before the altar.

Numbers 7:87
All the livestock for the burnt offering totaled twelve bulls, twelve rams, and twelve male lambs a year old--together with their grain offerings--and twelve male goats for the sin offering.

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.