What to do if a gerbil has inhaled gasoline for 41/2 hour? will it die or get some thing wrong with him and he?

I was cleaning my gerbil cage when i had to leave or i would be late for soccar so i didn't have time to put it back together again so i put all 10 of the gerbils in this cage i had from a while ago and i found it out side in the garage and last week my dad was working on our family's snow blower and was work on the gas stuff and puting some in it so he could use it to snow blow the drive way and at first when i brought it in the house then i put them in the cage and i didn't smell any thing at first buy now i got home 41/2 hours later and i smelt gasoloin and i smelt stuff and so then finally i smelt the cage and smelt it and the gerbils and they all smelt like it and i have 7 11/2 month year gherbils then 1 year gerbils then i have 2 3month year old gerbils and they sort of looked sweaty too so please help me!!!