How old was Jehoiada the priest when he died, according to 2 Chronicles 24:15?

Answer: 130

Jehoiada died old and full of years at 130 and was buried among the kings, because he had done good in Israel for God and His temple.

“When Jehoiada was old and full of years, he died at the age of 130. And Jehoiada was buried with the kings in the City of David, because he had done what was good in Israel for God and His temple.”— 2 Chronicles 24:15-16 (BSB)