Returns the *Blood Alcohol Content* (raise) for a person (described by
     the given attributes) after a drink containing *volume* ml of alcohol with
     the given *percent* (vol/vol).

def get_bac(age, weight, height, sex, volume, percent):
  """Returns the *Blood Alcohol Content* (raise) for a person (described by
     the given attributes) after a drink containing *volume* ml of alcohol with
     the given *percent* (vol/vol).
  """
  return gramm_to_promille(
    calculate_alcohol(volume, percent),
    age, weight, height, sex
  )