297325 + 15690 = 313015
$\snippet{name: op_column, sign: '+', x: '297325', y: '15690', z: '313015'}$
 
507102 − 264748 = 242354
$\snippet{name: op_column, sign: '-', x: '507102', y: '264748', z: '242354'}$
 
617400 : 90 = 61740 : 9 = 6860
$\snippet{name: long_division, x: 61740, y: 9}$