(2x^4)(z^4)*(2x^2)(y^-2)(z^4)*(x^-3)(y^3)(x^3)^4 equals what?

$(2x^4)(z^4)(2x^2)(y^{-2})(z^4)(x^{-3})(y^3)(x^3)^4=(2x^4)(x^{12})(2x^2)(x^{-3})(y^{-2})(y^3)(z^4)(z^4)=4x^{15}\times y \times z^8$

You are very welcome!

:P