17256 − 256 * 3 = 17256 − 768 = 16488
1) $\snippet{name: column_multiplication, x: 256, y: 3}$;
2) $\snippet{name: op_column, sign: '-', x: '17256', y: '768', z: '16488'}$.
 
38007 − 603 : 9 = 38007 − 67 = 37940
1) $\snippet{name: long_division, x: 603, y: 9}$;
2) $\snippet{name: op_column, sign: '-', x: '38007', y: '67', z: '37940'}$.
 
(205167 − 123068) * 7 = 82099 * 7 = 574693
1) $\snippet{name: op_column, sign: '-', x: '205167', y: '123068', z: '82099'}$;
2) $\snippet{name: column_multiplication, x: 82099, y: 7}$.
 
(31280 + 14320) * 6 = 45600 * 6 = 273600
1) $\snippet{name: op_column, sign: '+', x: '31280', y: '14320', z: '45600'}$;
2) $\snippet{name: op_column, sign: '×', x: '45600', y: '6    ', z: '273600 '}$;