+118723 just do it on the site calc.
$${\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{\mathtt{9}}{\mathtt{\,\times\,}}{\mathtt{12.5}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{{\mathtt{9}}}^{{\mathtt{2}}} = {\mathtt{1\,215.796\: \!356\: \!939\: \!249\: \!983\: \!3}}$$
+118723 just do it on the site calc.
$${\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{\mathtt{9}}{\mathtt{\,\times\,}}{\mathtt{12.5}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{{\mathtt{9}}}^{{\mathtt{2}}} = {\mathtt{1\,215.796\: \!356\: \!939\: \!249\: \!983\: \!3}}$$
