94 * 19;
6842 − 476 + 938;
58 * 90 : 30.
94 * 19 = 1786
$\snippet{name: column_multiplication, x: 94, y: 19}$
6842 − 476 + 938 = 6366 + 938 = 7304
1) $\snippet{name: op_column, sign: '-', x: '6842', y: '476', z: '6366'}$;
2) $\snippet{name: op_column, sign: '+', x: '6366', y: '938', z: '7304'}$.
58 * 90 : 30 = 5220 : 30 = 174
1) $\snippet{name: column_multiplication, x: 58, y: 90}$;
2) $\snippet{name: long_division, x: 5220, y: 30}$.
