1 Kings 10:26

“Moreover, he shall not multiply horses for himself, nor shall he cause the people to return to Egypt to multiply horses. Yahweh has said to you, ‘You shall never again return that way.’

Solomon had 40,000 stalls of horses for his chariots, and 12,000 horsemen.

and all the storage cities which Solomon had, and the cities for his chariots, and the cities for his horsemen, and all that Solomon desired to build in Jerusalem, in Lebanon, and in all the land under his rule.

And Solomon gathered chariots and horsemen. And he had 1,400 chariots and 12,000 horsemen, and he stationed them in the chariot cities and with the king in Jerusalem.

Now the weight of gold which came to Solomon in one year was 666 talents of gold,

And Solomon had 4,000 stalls for horses and chariots and 12,000 horsemen, and he stationed them in the chariot cities and with the king in Jerusalem.