10000 − 2178 * 6 : 4 + 267 = 10000 − 13068 : 4 + 267 = 10000 − 3267 + 267 = 6733 + 267 = 7000
1) $\snippet{name: column_multiplication, x: 2178, y: 6}$;
2) $\snippet{name: long_division, x: 13068, y: 4}$;
3) $\snippet{name: op_column, sign: '-', x: '10000', y: '3267', z: '6733'}$;
4) $\snippet{name: op_column, sign: '+', x: '6733', y: '267', z: '7000'}$.
 
240 * 3 + 4540 : 20 = 720 + 227 = 947
1) $\snippet{name: column_multiplication, x: 240, y: 3}$;
2) $\snippet{name: long_division, x: 4540, y: 20}$;
3) $\snippet{name: op_column, sign: '+', x: '720', y: '227', z: '947'}$.