J= Joketeller
A = Audience
J, holding up his index finger: "What's this ?"
A: "Um, you're number one ?"
J: "It's a man in a bar, ordering one beer."
J, holding up two fingers in a "V" sign: "And what's this ?"
A: "Two beers ?"
J: "It's a Roman, in that bar, ordering five beers."
A: Groans, rolls eyes.
J, holding up middle finger in universal offensive gesture: "And what's this ?"
A: "**** you. Seriously."
J: "It's a PLC programmer, in the same bar, ordering FOUR beers !"
A: "Please don't explain that."
J, wiggling thumb: "Two to the zero power...."