$$ \begin{aligned}\sqrt{32}\cdot\sqrt{2}& \xlongequal{ }\sqrt{64} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8\end{aligned} $$ | |
① | The square root of $ 64 $ is $ 8 $. |