(720 + 9080) * 3;
(5010 − 430) * 9;
(130 − 50) * (42 − 35);
(210 + 90) : (60 − 57);
6 * 8 : 3;
8 * 9 : 2.

(720 + 9080) * 3 = 9800 * 3 = 29400
$\snippet{name: column_multiplication, x: 9800, y: 3}$
(5010 − 430) * 9 = 4580 * 9 = 41220
$\snippet{name: column_multiplication, x: 4580, y: 9}$
(130 − 50) * (42 − 35) = 80 * 7 = 560
(210 + 90) : (60 − 57) = 300 : 3 = 100
6 * 8 : 3 = 48 : 3 = 16
8 * 9 : 2 = 72 : 2 = 36