346 + 458 = 804
$\snippet{name: op_column, sign: '+', x: '346', y: '458', z: '804'}$
 
157 + 484 = 641
$\snippet{name: op_column, sign: '+', x: '157', y: '484', z: '641'}$
 
832 − 456 = 376
$\snippet{name: op_column, sign: '-', x: '832', y: '456', z: '376'}$
 
621 − 241 = 380
$\snippet{name: op_column, sign: '-', x: '621', y: '241', z: '380'}$
 
503 + 204 = 707
$\snippet{name: op_column, sign: '+', x: '503', y: '204', z: '707'}$
 
308 + 106 = 414
$\snippet{name: op_column, sign: '+', x: '308', y: '106', z: '414'}$
 
603 − 28 = 575
$\snippet{name: op_column, sign: '-', x: '603', y: '28', z: '575'}$
 
204 − 39 = 165
$\snippet{name: op_column, sign: '-', x: '204', y: '39', z: '165'}$

315 * 3 = 945
$\snippet{name: column_multiplication, x: 315, y: 3}$
 
169 * 5 = 845
$\snippet{name: column_multiplication, x: 169, y: 5}$
 
208 * 4 = 832
$\snippet{name: column_multiplication, x: 208, y: 4}$
 
104 * 9 = 936
$\snippet{name: column_multiplication, x: 104, y: 9}$
 
624 : 4 = 156
$\snippet{name: long_division, x: 624, y: 4}$
 
925 : 5 = 185
$\snippet{name: long_division, x: 925, y: 5}$
 
234 : 9 = 26
$\snippet{name: long_division, x: 234, y: 9}$
 
472 : 8 = 59
$\snippet{name: long_division, x: 472, y: 8}$
 
434 : 7 = 62
$\snippet{name: long_division, x: 434, y: 7}$
 
896 : 8 = 112
$\snippet{name: long_division, x: 896, y: 8}$