35 * 15 : 7 = 525 : 7 = 75
$\snippet{name: column_multiplication, x: 35, y: 15}$
 
$\snippet{name: long_division, x: 525, y: 7}$
 
24 * 16 : 6 = 384 : 6 = 64
$\snippet{name: column_multiplication, x: 24, y: 16}$
 
$\snippet{name: long_division, x: 384, y: 6}$
 
12 * 17 * 3 : 6 = 204 * 3 : 6 = 612 : 6 = 102
$\snippet{name: column_multiplication, x: 12, y: 17}$
 
$\snippet{name: column_multiplication, x: 204, y: 3}$
 
$\snippet{name: long_division, x: 612, y: 6}$
 
81 * 2 * 5 : 9 = 162 * 5 : 9 = 810 : 9 = 90
$\snippet{name: column_multiplication, x: 81, y: 2}$
 
$\snippet{name: column_multiplication, x: 162, y: 5}$
 
$\snippet{name: long_division, x: 810, y: 9}$
 
36 * 14 : 9 : 8 = 504 : 9 : 8 = 56 : 8 = 7
$\snippet{name: column_multiplication, x: 36, y: 14}$
 
$\snippet{name: long_division, x: 504, y: 9}$
 
27 * 28 : 6 : 7 = 756 : 6 : 7 = 126 : 7 = 18
$\snippet{name: column_multiplication, x: 27, y: 28}$
 
$\snippet{name: long_division, x: 756, y: 6}$
 
$\snippet{name: long_division, x: 126, y: 7}$
 
44 * 15 : (100 : 10) = 660 : 10 = 66
$\snippet{name: column_multiplication, x: 44, y: 15}$
 
950 : 10 : (85 : 17) = 95 : 5 = 19
$\snippet{name: long_division, x: 85, y: 17}$
 
$\snippet{name: long_division, x: 95, y: 5}$