Αlice couldn't help smiling as she took out her memorandum book, and worked the sum for him:
Humpty Dumpty took the book and looked at it carefully. `That seems to be done right --' he began.
`You're holding it upside down!' Alice interrupted.
`To be sure I was!' Humpty Dumpty said gaily as she turned it round for him. `I thought it looked a little queer. As I was saying, that seems to be done right -- though I haven't time to look it over thoroughly just now -- and that shows that there are three hundred and sixty-four days when you might get un-birthday presents --'
`Certainly,' said Alice.
`And only one for birthday presents, you know...
Lewis Carroll, Through the Looking Glass, ch. VI., 1872