400 − 208;
504 − 397;
109 * 6;
205 * 4;
168 * 4;
168 : 4;
648 : 6;
927 : 9.

$\snippet{name: op_column, sign: '-', x: 400, y: 208, z: 192}$
$\snippet{name: op_column, sign: '-', x: 504, y: 397, z: 107}$
$\snippet{name: column_multiplication, x: 109, y: 6}$
$\snippet{name: column_multiplication, x: 205, y: 4}$
$\snippet{name: column_multiplication, x: 168, y: 4}$
$\snippet{name: long_division, x: 168, y: 4}$
$\snippet{name: long_division, x: 648, y: 6}$
$\snippet{name: long_division, x: 927, y: 9}$