784 : 8 = 98
$\snippet{name: long_division, x: 784, y: 8}$
 
196 * 4 = 784
$\snippet{name: column_multiplication, x: 196, y: 4}$
 
486 : 9 − 288 : 9 = (486 − 288) : 9 = 198 : 9 = 22
$\snippet{name: op_column, sign: '-', x: '486', y: '288', z: '198'}$
$\snippet{name: long_division, x: 198, y: 9}$
 
756 : 3 : 4 * 28 = 252 : 4 * 28 = 63 * 28 = 1764
$\snippet{name: long_division, x: 756, y: 3}$
$\snippet{name: long_division, x: 252, y: 4}$
$\snippet{name: column_multiplication, x: 63, y: 28}$
 
807 : 3 − (800 − 58 * 4) = 269 − (500 − 232) = 269 − 268 = 1
$\snippet{name: long_division, x: 807, y: 3}$
$\snippet{name: column_multiplication, x: 58, y: 4}$
$\snippet{name: op_column, sign: '-', x: '500', y: '232', z: '268'}$
 
14026 − (960 : 4 + 3680) = 14026 − (240 + 3680) = 14026 − 3920 = 10106
$\snippet{name: long_division, x: 960, y: 4}$
$\snippet{name: op_column, sign: '+', x: '240', y: '3680', z: '3920'}$
$\snippet{name: op_column, sign: '-', x: '14026', y: '3920', z: '10106'}$