$
\text{Gegeben:}\\\text{Mantelfläche} \qquad M \qquad [m^{2}] \\
\text{Grundfläche} \qquad G \qquad [m^{2}] \\
\\ \text{Gesucht:} \\\text{Oberfläche} \qquad O \qquad [m^{2}] \\
\\ O = G +M \\ \textbf{Gegeben:} \\ M=60m^{2} \qquad G=50m^{2} \qquad \\ \\ \textbf{Rechnung:} \\
O = G +M \\
M=60m^{2}\\
G=50m^{2}\\
O = 50m^{2} + 60m^{2}\\\\
O=110m^{2}
\\\\\\ \small \begin{array}{|l|} \hline M=\\ \hline 60 m^2 \\ \hline 6\cdot 10^{3} dm^2 \\ \hline 6\cdot 10^{5} cm^2 \\ \hline 6\cdot 10^{7} mm^2 \\ \hline \frac{3}{5} a \\ \hline 0,006 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline G=\\ \hline 50 m^2 \\ \hline 5\cdot 10^{3} dm^2 \\ \hline 5\cdot 10^{5} cm^2 \\ \hline 5\cdot 10^{7} mm^2 \\ \hline \frac{1}{2} a \\ \hline 0,005 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline O=\\ \hline 110 m^2 \\ \hline 1,1\cdot 10^{4} dm^2 \\ \hline 1,1\cdot 10^{6} cm^2 \\ \hline 1,1\cdot 10^{8} mm^2 \\ \hline 1\frac{1}{10} a \\ \hline 0,011 ha \\ \hline \end{array}$