Simplify the expression 16x7y232xy−13\frac{\sqrt[3]{16x^7y^2}}{\sqrt[3]{2xy^{-1}}}32xy−1316x7y2.
2x2y2x^2y2x2y
2x2y22x^2y^22x2y2
8x2y8x^2y8x2y
4x2y4x^2y4x2y