Which multiplication expression is equivalent to

$\frac{x+8}{x^2}\frac{2x+16}{2x^2}?$

$\frac{x^2}{x+8}*\frac{2x^2}{2x+16}$

$\frac{x+8}{x^2}*\frac{2x+16}{2x^2}$

$\frac{x+8}{x^2}*\frac{2x^2}{2x+16}$