def convert_dec2deg(deg, arcm, arcs):
    """
    Convert measurement of declination in deg arcmin, arcsec to
    decimal degrees

    Parameters
    ----------
    deg : int -or- string -or- float
        degrees value
    arcm : int -or- string -or- float
        arc minute value
    arcs : int -or- string -or- float
        arc second value

    Returns
    -------
    result : float
        declination in degrees
    """
    if isinstance(deg, str):
        deg = float(deg)
    if isinstance(arcm, str):
        arcm = float(arcm)
    if isinstance(arcs, str):
        arcs = float(arcs)
    return deg + arcm / 60. + arcs / 3600.