504 : 6 = 84
$\snippet{name: long_division, x: 504, y: 6}$
 
828 : 9 = 92
$\snippet{name: long_division, x: 828, y: 9}$
 
312 * 3 = 936
$\snippet{name: column_multiplication, x: 312, y: 3}$
 
107 * 7 = 749
$\snippet{name: column_multiplication, x: 107, y: 7}$
 
816 : 4 * 3 = 204 * 3 = 612
$\snippet{name: long_division, x: 816, y: 4}$
$\snippet{name: column_multiplication, x: 204, y: 3}$
 
735 : 5 * 4 = 147 * 4 = 588
$\snippet{name: long_division, x: 735, y: 5}$
$\snippet{name: column_multiplication, x: 147, y: 4}$
 
(1215 − 987) : 19 = 228 : 19 = 12
$\snippet{name: op_column, sign: '-', x: '1215', y: '987', z: '228'}$
$\snippet{name: long_division, x: 228, y: 19}$
 
(2001 − 1805) : 28 = 196 : 28 = 7
$\snippet{name: op_column, sign: '-', x: '2001', y: '1805', z: '196'}$
$\snippet{name: long_division, x: 196, y: 28}$