def gunning_fog_index(n_words, n_polysyllable_words, n_sents):
    """https://en.wikipedia.org/wiki/Gunning_fog_index"""
    return 0.4 * ((n_words / n_sents) + 100 * (n_words / n_polysyllable_words))
dataset/ETHPy150Open chartbeat-labs/textacy/textacy/text_stats.py/gunning_fog_index/swapped operands of `/`