$\snippet{name: op_column, sign: '+', x: '123', y: '84', z: '207'}$
 
$\snippet{name: op_column, sign: '+', x: '258', y: '123', z: '381'}$
 
$\snippet{name: op_column, sign: '-', x: '256', y: '169', z: '87'}$
 
$\snippet{name: op_column, sign: '-', x: '725', y: '91', z: '634'}$
 
$\snippet{name: column_multiplication, x: 121, y: 7}$
 
$\snippet{name: column_multiplication, x: 439, y: 2}$
 
$\snippet{name: long_division, x: 754, y: 2}$
 
$\snippet{name: long_division, x: 852, y: 3}$