'Altars' in the Bible

Balaam said to Balak, "Build for me this: seven altars. And prepare for me this: seven bulls and seven rams."

And God met with Balaam, and he said to him, "I have arranged seven altars, and I have offered a bull and a ram on the altar.

So he took him to the field of Zophim to the top of Pisgah, and he built seven altars, and he offered a bull and a ram on [each] altar

And Balaam said to Balak, "Build for me these seven altars, and prepare for me these seven bulls and seven rams."