2 + 2 = 5

>>> num = 2.49
>>> print '%.f' % num, '+', '%.f' % num, '=', '%.f' % (num + num)
2 + 2 = 5

http://www.quora.com/Mathematics/How-can-you-make-2-+-2-5/answer/Sanjay-Sabnani

'%.f' % 2.5 = 2
'%.f' % 2.6 = 3

https://github.com/israWic/code/blob/master/225.py