If a, b, c are in GP, find the value of $a^2b^2c^2(\large\frac{1}{a^3}+\large\frac{1}{b^3}+\large\frac{1}{c^3})$

Question

$\begin{array}{1 1} a^3 b^3c^3 \\ 1\\\frac{a^3+b^3+c^3}{a^2b^2c^2} \\a^3+b^3+c^3\end{array}$