_:n808f3e8528f44dbd82d09a9ec3aba4fcxb21
<http://schema.org/text>
"Perform the trick:\nThink of a number, any positive integer. Keep it small so you can do computations in your head.\nSquare it.\nAdd the result to your original number.\nDivide by your original number.\nAdd, oh, how about 17.\nSubtract your original number.\nDivide by 6.\nThe number you are thinking of now is 3!"
<https://www.wikihow.com/Do-a-Cool-Mathematical-Mind-Reading-Trick>