| $$ \begin{aligned}3\sqrt{16}\cdot4\sqrt{3}\cdot3\sqrt{4}\cdot4\sqrt{27}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}10368\end{aligned} $$ | |
| ① | $$ 144 \sqrt{5184} = 144 \cdot 72 = 10368 $$ |