Every talent contained three thousand shekels. See Genesis 23:15 Exodus 30:13. It is not said that all this gold and following silver were used about the building of the tabernacle, for the people brought much more than enough, Exodus 36:5. And these remains, it is probable, were put into the sacred treasury, to be used as occasion should require.
Related Commentaries of Exodus 38:24
Exodus 38:24
24 All the gold that was occupied for the work in all the work of the holy place, even the gold of the offering, was twenty and nine talents, and seven hundred and thirty shekels, after the shekel of the sanctuary.