7854 : 7 = 1122
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}7854\\ \phantom{0}\underset{¯}{7}\\ \phantom{0}\underset{¯}{\phantom{0}}8\\ \phantom{00}\underset{¯}{7}\\ \phantom{0}\underset{¯}{\phantom{0}}15\\ \phantom{00}\underset{¯}{14}\\ \phantom{00}\underset{¯}{\phantom{0}}14\\ \phantom{000}\underset{¯}{14}\\ \phantom{0000}0\end{array}& \begin{array}{l}\overline{)7}\\ \overline{\overline{)1122}}\end{array}\end{array}$