36 * 24 + 781604 = 864 + 781604 = 782468
$\snippet{name: column_multiplication, x: 36, y: 24}$
$\snippet{name: op_column, sign: '+', x: '864', y: '781604', z: '782468'}$
 
51192 − 756 : 28 = 51192 − 27 = 51165
$\snippet{name: long_division, x: 756, y: 28}$
$\snippet{name: op_column, sign: '-', x: '51192', y: '27', z: '51165'}$
 
800800 − (394598 − 48396) = 800800 − 346202 = 454598
$\snippet{name: op_column, sign: '-', x: '394598', y: '48396', z: '346202'}$
$\snippet{name: op_column, sign: '-', x: '800800', y: '346202', z: '454598'}$
 
51192 + 650324 − 26324 = 701516 − 26324 = 675192
$\snippet{name: op_column, sign: '+', x: '51192', y: '650324', z: '346202'}$
$\snippet{name: op_column, sign: '-', x: '701516', y: '26324', z: '675192'}$