def book_value_per_share(book_value, total_shares):
    """Computes book value per share.

    Parameters
    ----------
    book_value : int or float
        Book value (equity) of an enterprice
    total_shares : int or float
        Total number of shares

    Returns
    -------
    out : int or float
        Book value per share
    """
    return book_value / total_shares