79 * 68 + 435268 − (1520 − 1430) * 62 : 10 = 440082
1) 1520 − 1430 = 90;
2) $\snippet{name: column_multiplication, x: 79, y: 68}$;
3) $\snippet{name: column_multiplication, x: 62, y: 90}$;
4) 5580 : 10 = 558;
5) $\snippet{name: op_column, sign: '+', x: '5372', y: '435268', z: '440640'}$;
6) 440640 − 558 = 440082.
 
(18056 − 9786 − 1270) : 100 * 16 + 58 * 35 = 3150
1) $\snippet{name: op_column, sign: '-', x: '18056', y: '9786', z: '8270'}$;
2) $\snippet{name: op_column, sign: '-', x: '8270', y: '1270', z: '7000'}$;
3) 7000 : 100 = 70;
4) $\snippet{name: column_multiplication, x: 70, y: 16}$;
5) $\snippet{name: column_multiplication, x: 58, y: 35}$;
6) $\snippet{name: op_column, sign: '+', x: '1120', y: '2030', z: '3150'}$.