$700 \overset{2}{-} (356 \overset{1}{+} 95) \overset{3}{-} 157 = 700 - 451 - 157 = 249 - 157 = 92$
$\snippet{name: op_column, sign: '+', x: '356', y: '95', z: '451'}$
$\snippet{name: op_column, sign: '-', x: '700', y: '451', z: '249'}$
$\snippet{name: op_column, sign: '-', x: '249', y: '157', z: '92'}$
 
(98 + 702) − 232 − (514 − 47) = 800 − 232 − 467 = 568 − 467 = 101
$\snippet{name: op_column, sign: '+', x: '702', y: '98', z: '800'}$
$\snippet{name: op_column, sign: '-', x: '514', y: '47', z: '467'}$
$\snippet{name: op_column, sign: '-', x: '800', y: '232', z: '568'}$
$\snippet{name: op_column, sign: '-', x: '568', y: '467', z: '101'}$