Numbers 23:29 in the King James Version
And Balaam said unto Balak, Build me here seven altars, and prepare me here seven bullocks and seven rams.
Context
28 Balak took Balaam to the top of Peor, that looks down on the desert.
29 Balaam said to Balak, “Build seven altars for me here, and prepare seven bulls and seven rams for me here.”
30 Balak did as Balaam had said, and offered up a bull and a ram on every altar.