Simplify the given expression.

(h2a3)3(h3a6)4(ha2h4)2\displaystyle \frac{{{\left({h}^{{2}}{a}^{{3}}\right)}^{{3}}{\left(-{h}^{{3}}{a}^{{6}}\right)}^{{4}}}}{{\left(-{h}{a}^{{2}}{h}^{{4}}\right)}^{{2}}} =\displaystyle =