[in front of the library ghost, their first ghost sighting]
Dr. Peter Venkman: So... what do we do?
[Egon and Ray stare at each other in silence. Peter grabs Ray's ear]
Dr. Peter Venkman: Would you come over here, please? That's it, c'mere Francine. What do we do?
[Egon pulls out a calculator and starts punching in numbers. Peter slaps the machine out of Egon's hand]
Dr. Peter Venkman: STOP THAT!