$890065 \overset{3}{+} (361040 \overset{2}{-} 1154 \overset{1}{*} 208) = 1011073$
1) 1154 * 208 = 240032
2) 361040 − 240032 = 121008
3) 890065 + 121008 = 1011073

Вычисления:
1)
$\snippet{name: column_multiplication, x: 208, y: 1154}$
2)
$\snippet{name: op_column, sign: '-', x: '361040', y: '240032', z: '121008 '}$
3)
$\snippet{name: op_column, sign: '+', x: '890065', y: '121008', z: '1011073 '}$

$500114 \overset{3}{-} (264202 \overset{2}{-} 2042 \overset{1}{*} 124) = 489120$
1) 2042 * 124 = 253208
2) 264202 − 253208 = 10994
3) 500114 − 10994 = 489120

Вычисления:
1)
$\snippet{name: column_multiplication, x: 2042, y: 124}$
2)
$\snippet{name: op_column, sign: '-', x: '264202', y: '253208', z: '10994 '}$
3)
$\snippet{name: op_column, sign: '-', x: '500114', y: '10994', z: '489120 '}$