Albert Barnes Commentary 2 Kings 18:14

"And Hezekiah king of Judah sent to the king of Assyria to Lachish, saying, I have offended; return from me: that which thou puttest on me will I bear. And the king of Assyria appointed unto Hezekiah king of Judah three hundred talents of silver and thirty talents of gold." — 2 Kings 18:14 (ASV)

Return from me - Or “retire from me,” that is, “withdraw your troops.”

Three hundred talents ... - According to Sennacherib’s own account, the terms of peace were as follows:

1. A money payment to the amount of 800 talents of silver and 30 talents of gold.
2. The surrender of the Ekronite king.
3. A cession of territory toward the west and the southwest, which was apportioned between the kings of Ekron, Ashdod, and Gaza.