3 * (14 + 8) : 2 = 3 * 22 : 2 = 66 : 2 = 33
 
7 * (12 + 9) : 3 = 7 * 21 : 3 = 147 : 3 = 49
 
82000 − 4730 * 8 = 82000 − 37840 = 44160
$\snippet{name: column_multiplication, x: 4730, y: 8}$
$\snippet{name: op_column, sign: '-', x: '82000', y: '37840', z: '44160'}$
 
93000 − 8691 * 7 = 93000 − 60837 = 32163
$\snippet{name: column_multiplication, x: 8691, y: 7}$
$\snippet{name: op_column, sign: '-', x: '93000', y: '60837', z: '32163'}$
 
15828 : 4 = 3957
$\snippet{name: long_division, x: 15828, y: 4}$
 
27981 : 9 = 3109
$\snippet{name: long_division, x: 27981, y: 9}$