\[\begin{align*}\begin{array}{cc}\begin{array}{c} {}_{\_}366300\\ \,\,\,\,\,\underline{3600}\,\,\,\,\,\,\,\,\,\, \end{array} & \left| \begin{array}{c} \underline{900} \\ 407 \end{array} \right. \\ \,\,\,\,\,\,\,\,\,\,{}_{\_}630\,\, \\ \,\,\,\,\,\,\,\,\,\,\,\,\underline{\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad 0} \\ \,\,\,\,\,\,\,\,{}_{\_}6300 \\ \,\,\,\,\,\,\,\,\,\,\,\,\underline{6300} \\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,0 \end{array}\end{align*}\]

\[\begin{array}{ll} \begin{array}{l} \begin{array}{l} \phantom{-}366300 \\ \quad \,\,\,\,\,\underline{\square \,\,\,\,\,\,\,\,\,} \\ \end{array} & \left| \begin{array}{l} \underline{900} \\ \square . \end{array} \right. \end{array} \\ \,\,\,\,\,\,\phantom{-}\square \,\, \\ \,\,\,\,\,\,\,\,\,\,\,\underline{\square} \\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,0 \end{array}\]