How to use "gazing" in a sentence

Valjean stood for some time gazing emptily around him at the sunset and the shadows moving in on him

Thenardier sat on the corner of the table in silence for some moments, swinging his leg and gazing with a fierce satisfaction at the fire

While he was gazing into the fire, thinking these sad thoughts, his old servant entered the room and asked, 'Will Monsieur receive M