69 : 23 = 3;
98 : 14 = 7;
87 * 4 = 348;
$\snippet{name: column_multiplication, x: 87, y: 4}$
 
94 * 5 = 470;
$\snippet{name: column_multiplication, x: 94, y: 5}$
 
516 : 3 = 172;
$\snippet{name: long_division, x: 516, y: 3}$
 
873 : 9 = 97;
$\snippet{name: long_division, x: 873, y: 9}$
 
189 * 4 − 276 = 756 − 276 = 480;
$\snippet{name: column_multiplication, x: 189, y: 4}$
 
$\snippet{name: op_column, sign: '-', x: 756, y: 276, z: 480}$
 
582 : 6 + 495 = 97 + 495 = 592.
$\snippet{name: long_division, x: 582, y: 6}$
 
$\snippet{name: op_column, sign: '+', x: 495, y: 97, z: 592}$