Numbers 29:35-37

On the eighth day ye shall have a solemn assembly: ye shall do no servile work therein: but ye shall offer a burnt offering, a sacrifice made by fire, of a sweet savour unto the LORD: one bullock, one ram, seven lambs of the first year without blemish: their meat offering and their drink offerings for the bullock, for the ram, and for the lambs, shall be according to their number, after the manner