9,2 * y = 3,68
y = 3,68 : 9,2
y = 0,4
$\snippet{name: long_division, x: 3.68, y: 9.2, decimal: true}$

0,3y = 0,0162
y = 0,0162 : 0,3
y = 0,054
$\snippet{name: long_division, x: 0.0162, y: 0.3, decimal: true}$

y : 1,2 = 10,2
y = 10,2 * 1,2
y = 12,24
$\snippet{name: column_multiplication, x: 10.2, y: 1.2}$

3,8a + 4,6a = 13,44
8,4a = 13,44
a = 13,44 : 8,4
a = 1,6
$\snippet{name: long_division, x: 13.44, y: 8.4, decimal: true}$

b − 0,872b = 32
0,128b = 32
b = 32 : 0,128
b = 250
$\snippet{name: long_division, x: 32, y: 0.128, decimal: true}$

4,9m − 0,1m = 3,84
4,8m = 3,84
m = 3,84 : 4,8
m = 0,8
$\snippet{name: long_division, x: 3.84, y: 4.8, decimal: true}$