'Forty' in the Bible

And Hazael went to meet him, and took with him a present, even of every good thing of Damascus, forty camels' burden; and he came and stood before him, and said, Thy son Ben-Hadad king of Syria has sent me to thee, saying, Shall I recover from this disease?

In the seventh year of Jehu, Jehoash began to reign; and he reigned forty years in Jerusalem; and his mother's name was Zibiah of Beer-sheba.