$${\mathtt{698\,774}}{\mathtt{\,\small\textbf+\,}}{\mathtt{74}}{\mathtt{\,\small\textbf+\,}}{\mathtt{789}}{\mathtt{\,\small\textbf+\,}}{\mathtt{74\,654}}{\mathtt{\,\times\,}}{\mathtt{74\,864\,654}}{\mathtt{\,\small\textbf+\,}}{\mathtt{4\,554}}{\mathtt{\,\small\textbf+\,}}{\mathtt{7}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{7}}}{{\mathtt{7}}}} = {\mathtt{5\,588\,946\,583\,915}}$$
.