What is the cube of 25?
When a number is multiplied three times by itself, it becomes a perfect cube.
\begin{array}{lll}
\text { Number }(\mathbf{x}) & \multicolumn{1}{l}{\begin{array}{l}
\text { Multiplied Three times by } \\
\text { itself }
\end{array}} & \text { Cubes }\left(\mathbf{x}^3\right) \\
\hline 25 & 25 \times 25 \times 25 & 15625
\end{array}
So the cube of 25 is 15625.