+130511 2+2+4,000,000,000,246-1,234.2*432.1 =
$${\mathtt{2}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\small\textbf+\,}}{\mathtt{4\,000\,000\,000\,246}}{\mathtt{\,-\,}}{\mathtt{1\,234.2}}{\mathtt{\,\times\,}}{\mathtt{432.1}} = {\mathtt{3\,999\,999\,466\,952.18}}$$
