$800 \overset{3}{-} 320 \overset{2}{:} (160 \overset{1}{-} 80) = 796$
1) 160 − 80 = 80
2) 320 : 80 = 4
3) 800 − 4 = 796
 
$(70 \overset{2}{+} 840 \overset{1}{:} 70) \overset{5}{*} (120 \overset{3}{:} 40 \overset{4}{:} 3) = 82$
1) 840 : 70 = 12
2) 70 + 12 = 82
3) 120 : 40 = 3
4) 3 : 3 = 1
5) 82 * 1 = 82
 
$(199 \overset{2}{+} 2641 \overset{1}{*} 2) \overset{3}{:} 27 = 203$
1)
$\snippet{name: column_multiplication, x: 2641, y: 2}$
2)
$\snippet{name: op_column, sign: '+', x: '5282', y: '199', z: '5481 '}$
3)
$\snippet{name: long_division, x: 5481, y: 27}$