$6348 \overset{2}{:} (7123 \overset{1}{-} 7119) \overset{3}{+} 1413 = 3000$
1)
$\snippet{name: op_column, sign: '-', x: '7123', y: '7119', z: '4 '}$
2)
$\snippet{name: long_division, x: 6348, y: 4}$
3)
$\snippet{name: op_column, sign: '+', x: '1587', y: '1413', z: '3000 '}$