\[\boxed{\mathbf{460.}}\]
\[1)\ 12\ :4 = 3\]
\[40\ :4 = 10\]
\[28\ :4 = 7\]
\[16\ :4 = 4\]
\[20\ :4 = 5\]
\[32\ :4 = 8\]
\[24\ :4 = 6\]
\[36\ :4 = 9\]
\[2)\ 4\ :4 = 1\]
\[8\ :4 = 2\]