multiplying integer to decimal

[buran]

in any case you would like to use string formatting when print float numbers.

>>> x = 0.72*5
>>> x
3.5999999999999996
>>> '{:0.2f}'.format(x)
'3.60'
>>> 'the result of calculations is {:0.2f}'.format(x)
'the result of calculations is 3.60'
>>>