34 * 27 + 1638 : 39 = 960
1) $\snippet{name: column_multiplication, x: 34, y: 27}$
2) $\snippet{name: long_division, x: 1638, y: 156}$
3) $\snippet{name: op_column, sign: '+', x: 918, y: 42, z: 960}$

32 * 37 − 3293 : 37 = 1095
1) $\snippet{name: column_multiplication, x: 32, y: 37}$
2) $\snippet{name: long_division, x: 3293, y: 37}$
3) $\snippet{name: op_column, sign: '-', x: 1184, y: 89, z: 1095}$

(321 − 267) * (361 − 215) : 219 = 36
1) $\snippet{name: op_column, sign: '-', x: 321, y: 267, z: 54}$
2) $\snippet{name: op_column, sign: '-', x: 361, y: 215, z: 146}$
3) $\snippet{name: column_multiplication, x: 54, y: 146}$
4) $\snippet{name: long_division, x: 7884, y: 657}$

1) $\snippet{name: op_column, sign: '+', x: 123, y: 375, z: 498}$
2) $\snippet{name: op_column, sign: '-', x: 212, y: 129, z: 83}$
3) $\snippet{name: column_multiplication, x: 498, y: 24}$
4) $\snippet{name: long_division, x: 11952, y: 83}$