$${\mathtt{24}}{\mathtt{\,\times\,}}{\mathtt{6}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{1}}}{{\mathtt{2}}}}{\mathtt{\,-\,}}{\mathtt{2.4}}{\mathtt{\,\times\,}}{{\mathtt{6}}}^{{\mathtt{2}}} = {\frac{{\mathtt{581}}}{{\mathtt{10}}}} = {\mathtt{58.1}}$$
.
