20782 + 5203 + 63870 = 25985 + 63870 = 89855
$\snippet{name: op_column, sign: '+', x: 20782, y: 5203, z: 25985}$
 
$\snippet{name: op_column, sign: '+', x: 25985, y: 63870, z: 89855}$
 
4508 + 498 : 6 − 892 = 4508 + 83 − 892 = 4591 − 892 = 3699
$\snippet{name: long_division, x: 498, y: 6}$
 
$\snippet{name: op_column, sign: '+', x: 4508, y: 83, z: 4591}$
 
$\snippet{name: op_column, sign: '-', x: 4591, y: 892, z: 3699}$