def simplify(self):
        """Return a new equivalent unit object with a simplified unit expression

        >>> import unyt as u
        >>> unit = (u.m**2/u.cm).simplify()
        >>> unit
        100*m
        """
        expr = self.expr
        self.expr = _cancel_mul(expr, self.registry)
        return self
Return a new equivalent unit object with a simplified unit expression

        >>> import unyt as u
        >>> unit = (u.m**2/u.cm).simplify()
        >>> unit
        100*m