Find a calculator

Ask your friend (or everyone in the room) to choose any number 
Example : 37

Add 25
37 + 25 = 62

Multiply the answer by 2
62 x 2 =  124

Subtract 4
124 - 4 = 120

Divide by 2
120 / 2 = 60

Subtract your original number
60 - 37 = Love that number!

Try another number.