303 * 3 = 909
$\snippet{name: column_multiplication, x: 303, y: 3}$
 
124 * 2 = 248
$\snippet{name: column_multiplication, x: 124, y: 2}$
 
213 * 3 = 639
$\snippet{name: column_multiplication, x: 213, y: 3}$
 
403 * 2 = 806
$\snippet{name: column_multiplication, x: 403, y: 2}$