648 + 275 = 923
$\snippet{name: op_column, sign: '+', x: 648, y: 275, z: 923}$
 
981 − 547 = 434
$\snippet{name: op_column, sign: '-', x: 981, y: 547, z: 434}$
 
854 − 799 = 55
$\snippet{name: op_column, sign: '-', x: 854, y: 799, z: 55}$
 
273 + 328 = 601
$\snippet{name: op_column, sign: '+', x: 273, y: 328, z: 601}$
 
69 + 273 = 342
$\snippet{name: op_column, sign: '+', x: 273, y: 69, z: 342}$
 
197 + 406 = 603
$\snippet{name: op_column, sign: '+', x: 406, y: 197, z: 603}$
 
124 * 6
$\snippet{name: column_multiplication, x: 124, y: 6}$
 
912 : 3 = 304
$\snippet{name: long_division, x: 912, y: 3}$