528 * 330 = 174240

 
907 * 203 = 184121
$\snippet{name: column_multiplication, x: 907, y: 203}$
 
(634100 − 17300) : 300 = 616800 : 300 = 2056
1) $\snippet{name: op_column, sign: '-', x: '634100', y: '17300', z: '616800'}$;
2) $\snippet{name: long_division, x: 616800, y: 300}$.