>>> from metres import metres_quadrats

>>> a=metres_quadrats(65, 10, 45)
>>> a
85
>>> a=metres_quadrats(65, 10, 0)
>>> a
70
>>> a=metres_quadrats(65, 0, 45)
>>> a
80
>>> a=metres_quadrats(65, 20, 12)
>>> a
79
>>> a=metres_quadrats(65, 0, 0)
>>> a
65
>>> a=metres_quadrats(65, 0, 12)
>>> a
69