subtrahiere vom Quotienten aus 18 und 3 das achtfache der Differenz aus 229 und 65.Addiere dann zum Ergebnis die Zahl 137
$${\frac{{\mathtt{18}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\mathtt{8}}{\mathtt{\,\times\,}}\left({\mathtt{229}}{\mathtt{\,-\,}}{\mathtt{64}}\right){\mathtt{\,\small\textbf+\,}}{\mathtt{137}} = -{\mathtt{1\,177}}$$
$${\frac{{\mathtt{18}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\mathtt{8}}{\mathtt{\,\times\,}}\left({\mathtt{229}}{\mathtt{\,-\,}}{\mathtt{64}}\right){\mathtt{\,\small\textbf+\,}}{\mathtt{137}} = -{\mathtt{1\,177}}$$