407 + 109 * 5 = 407 + 545 = 952
$\snippet{name: column_multiplication, x: 109, y: 5}$
 
$\snippet{name: op_column, sign: '+', x: 407, y: 545, z: 952}$
 
903 − 206 * 4 = 903 − 824 = 79
$\snippet{name: column_multiplication, x: 206, y: 4}$
 
$\snippet{name: op_column, sign: '-', x: 903, y: 824, z: 79}$
 
(700 − 603) * 6 = 97 * 6 = 582
$\snippet{name: op_column, sign: '-', x: 700, y: 603, z: 97}$
 
$\snippet{name: column_multiplication, x: 97, y: 6}$
 
(800 − 704) * 7 = 96 * 7 = 672
$\snippet{name: op_column, sign: '-', x: 800, y: 704, z: 96}$
 
$\snippet{name: column_multiplication, x: 96, y: 7}$
 
804 : 4 = 201
$\snippet{name: long_division, x: 804, y: 4}$
 
627 : 3 = 209
$\snippet{name: long_division, x: 627, y: 3}$