NET

19 Then Nebuchadnezzar was filled with rage, and his disposition changed toward Shadrach, Meshach, and Abednego. He gave orders to heat the furnace seven times hotter than it was normally heated.

Darby

19 Then was Nebuchadnezzar full of fury, and the form of his visage was changed against Shadrach, Meshach, and Abed-nego. He spoke, and commanded that they should heat the furnace seven times more than it was wont to be heated.

KJV

19 Then was Nebuchadnezzar full of fury, and the form of his visage was changed against Shadrach, Meshach, and Abednego: [therefore] he spake, and commanded that they should heat the furnace one seven times more than it was wont to be heated.