1 Kings 6 17
The main Temple in front of this room measured forty cubits long.
Compare with other 3 random translations
NAS 1 Kings 6:17The house, that is, the main room in front of the inner sanctuary, was forty cubits long.
NCV 1 Kings 6:17The main room, the one in front of the Most Holy Place, was sixty feet long.
YLT 1 Kings 6:17And forty by the cubit was the house, it is the temple before it.