1 Kings 10:14-16

Young's Literal Translation

¹⁴ And the weight of the gold that hath come to Solomon in one year is six hundred sixty and six talents of gold,

¹⁵ apart from [that of] the tourists, and of the traffic of the merchants, and of all the kings of Arabia, and of the governors of the land.

¹⁶ And king Solomon maketh two hundred targets of alloyed gold -- six hundred of gold go up on the one target;