128 * 430 + 675 − 34125 : 375 + 6795 = 55040 + 675 − 91 + 6795 = 55715 + 6704 = 62419
$\snippet{name: column_multiplication, x: 128, y: 430}$
$\snippet{name: long_division, x: 34125, y: 375}$
$\snippet{name: op_column, sign: '+', x: '55040', y: '675', z: '55715'}$
$\snippet{name: op_column, sign: '-', x: '6795', y: '91', z: '6704'}$
$\snippet{name: op_column, sign: '+', x: '55715', y: '6704', z: '62419'}$

712398 : 3209 − 189 + 15631 : 203 = 222 − 189 + 77 = 33 + 77 = 110
$\snippet{name: long_division, x: 712398, y: 3209}$
$\snippet{name: long_division, x: 15631, y: 203}$