278 * 75 − 15000 : 1000 * (60020 − 59775) + 125 = 20850 − 15 * 245 + 125 = 20850 − 3675 + 125 = 17175 + 125 = 17300
1) $\snippet{name: op_column, sign: '-', x: '60020', y: '59775', z: '245'}$;
2) $\snippet{name: column_multiplication, x: 278, y: 75}$;
3) 15000 : 1000 = 15;
4) $\snippet{name: column_multiplication, x: 245, y: 15}$;
5) $\snippet{name: op_column, sign: '-', x: '20850', y: '3675', z: '17175'}$;
6) $\snippet{name: op_column, sign: '+', x: '17175', y: '125', z: '17300'}$.