$$=7th\ root\ of\ 128\ 300^{\frac{1}{12}}=12th\ root\ of\ 300$$
$\left\{\begin{matrix}\\h=\frac{6\sqrt{1283}h_{300}}{44905}\text{, }&\text{unconditionally}\\h\in \mathrm{C}\text{, }&t=0\end{matrix}\right.$
$\left\{\begin{matrix}\\h_{300}=\frac{35\sqrt{1283}h}{6}\text{, }&\text{unconditionally}\\h_{300}\in \mathrm{C}\text{, }&t=0\end{matrix}\right.$
$\left\{\begin{matrix}\\h=\frac{6\sqrt{1283}h_{300}}{44905}\text{, }&\text{unconditionally}\\h\in \mathrm{R}\text{, }&t=0\end{matrix}\right.$
$\left\{\begin{matrix}\\h_{300}=\frac{35\sqrt{1283}h}{6}\text{, }&\text{unconditionally}\\h_{300}\in \mathrm{R}\text{, }&t=0\end{matrix}\right.$