Returns the *alcohol degradation* (per mill) of a person with the given
     stats in the given number of *minutes*.

def get_degradation(age, weight, height, sex, minutes):
  """Returns the *alcohol degradation* (per mill) of a person with the given
     stats in the given number of *minutes*.
  """
  return gramm_to_promille(
    calculate_degradation(weight, minutes),
    age, weight, height, sex
  )