They work it out with a pencil.
They get a pencil and work it out.
When there's a tampon behind her ear and she's looking for her pencil.
fiiish. (works when spoken :-/)
Because it broke down and he couldn't budget.
Somewhere between 0 and infinity.
They both have problems finding x.
How does a mathematician cure her constipation She works it out with a pencil.
They both deal with checks and balances.