156 − 96 : (12 : 4) : 2 = 156 − 96 : 3 : 2 = 156 − 32 : 2 = 156 − 16 = 140
 
156 − 96 : 12 : (4 : 2) = 156 − 96 : 12 : 2 = 156 − 8 : 2 = 156 − 4 = 152
 
(156 − 96 : 12) : (4 : 2) = (156 − 8) : 2 = 148 : 2 = 74
 
4689 * 5 + 97308 = 24445 + 97308 = 120753
$\snippet{name: column_multiplication, x: 4689, y: 5}$
 
$\snippet{name: op_column, sign: '+', x: 24445, y: 97308, z: 120753}$
 
90000 − 6 * 2509 = 90000 − 15054 = 74946
$\snippet{name: column_multiplication, x: 2509, y: 6}$
 
$\snippet{name: op_column, sign: '-', x: 90000, y: 15054, z: 74946}$
 
76090 * 4 − 5673 = 304360 − 5673 = 298687
$\snippet{name: column_multiplication, x: 76090, y: 4}$
 
$\snippet{name: op_column, sign: '-', x: 304360, y: 5673, z: 298687}$
 
1485 : 5 * 4 = 297 * 4 = 1188
$\snippet{name: long_division, x: 1485, y: 5}$
 
$\snippet{name: column_multiplication, x: 297, y: 4}$
 
2496 : 8 * 7 = 312 * 7 = 2184
$\snippet{name: long_division, x: 2496, y: 8}$
 
$\snippet{name: column_multiplication, x: 312, y: 7}$
 
9999 : 9 * 8 = 1111 * 8 = 8888