Two. One to change it and one to put some chips with it.
They can't change anything lol
Find out next time, on Dragon Ball Z!
It depends on the definition of lightbulb.
Doesn't matter, they'll just screw it one rotation one way and one rotation the other way and call it equality.
Prom
McDonalds responded by introducing a 3/5ths pounder.
The engineer replies " I make chips" "Oh yummy!"
So that they could make fish and chips.