'Calculate the resulting meta.
Parameters
operation : callable
see :meth:`NDArithmeticMixin._arithmetic` parameter description.
By default, the ``operation`` will be ignored.
operand : `NDData`-like instance
The second operand wrapped in an instance of the same class as
self.
handle_meta : callable
see :meth:`NDArithmeticMixin.add`
kwds :
Additional parameters given to ``handle_meta``.
Returns
result_meta : any type
The result of ``handle_meta``.'

def _arithmetic_meta(self, operation, operand, handle_meta, **kwds):

    return handle_meta(self.meta, operand.meta, **kwds)
