A *cow*culater. I made it up myself, so don't groan at the pun.
Like a joke that involves a pun on a word that has different meanings in different languages. Please tell us what languages they are in.
For the pun of it.
Pillow cases
They just work it out with a pencil!
An ironing board.
Sir. Groan worthy penguin jokes(https://allwrong.wordpress.com/2007/10/05/penguin-riddles/)
A math problem.
They're all, like, equal to me...
