167 * 831 = 138777
$\snippet{name: column_multiplication, x: 167, y: 831}$
 
7090 * 24 = 170160
$\snippet{name: column_multiplication, x: 7090, y: 24}$
 
78480 : 6 : 40 = 13080 : 40 = 327
1) $\snippet{name: long_division, x: 78480, y: 6}$;
2) $\snippet{name: long_division, x: 13080, y: 40}$.