Have you tried turning it off and back on?
One. But he wishes it took two.
Sorry, they can only change the floor essence.
He rubbed him the wrong way.
He turns into Kim Jong-ill!
Vaporeon
Curses, foiled again!
None *et al.*
Just one but he wants to do it thirty-two times and when he's done everyone thinks that his last lightbulb was much better.
Just one but he has to coordinate ten other professionals who are doing this quiet complicated task.