(69 * 0,63 − 10,098 : 5,4 − 20,54) : 0,324 = (43,47 − 1,87 − 20,54) : 0,324 = 21,06 : 0,324 = 65
1) $\snippet{name: column_multiplication, x: 69, y: 0.63}$
2) $\snippet{name: long_division, x: 10.098, y: 5.4, decimal: true}$
3) $\snippet{name: op_column, sign: '-', x: 43,47, y: 1,87, z: 41,60}$
4) $\snippet{name: op_column, sign: '-', x: 41,60, y: 20,54, z: 21,06}$
5) $\snippet{name: long_division, x: 21.06, y: 0.324, decimal: true}$

0,98 * 3,8 − 0,132 : 5,5 − 2,45 = 3,724 − 0,024 − 2,45 = 3,7 − 2,45 = 1,25
1) $\snippet{name: column_multiplication, x: 0.98, y: 3.8}$
2) $\snippet{name: long_division, x: 0.132, y: 5.5, decimal: true}$
3) $\snippet{name: op_column, sign: '-', x: 3,724, y: 0,024, z: 3,7}$
4) $\snippet{name: op_column, sign: '-', x: 3,7, y: 2,45, z: 1,25}$