$53730 \overset{2}{:} (2000 \overset{1}{-} 1910) = 597$
1) 2000 − 1910 = 90
$\snippet{name: op_column, sign: '-', x: '2000', y: '1910', z: '90 '}$
2) 53730 : 90 = 597
$\snippet{name: long_division, x: 53730, y: 90}$
 
$4550 \overset{1}{:} 50 \overset{3}{+} 3180 \overset{2}{:} 30 = 197$
1) 4550 : 50 = 91
$\snippet{name: long_division, x: 4550, y: 50}$
2) 3180 : 30 = 106
$\snippet{name: long_division, x: 3180, y: 30}$
3) 91 + 106 = 197
$\snippet{name: op_column, sign: '+', x: '106', y: '91', z: '197 '}$