8070 * 600 = 4842000
$\snippet{name: op_column, sign: '×', x: '8070    ', y: '600  ', z: '4842000 '}$
 
5010 − 15900 : 100 + 786 = 5010 − 159 + 786 = 4851 + 786 = 5637
$\snippet{name: op_column, sign: '-', x: '5010', y: '159', z: '4851'}$
$\snippet{name: op_column, sign: '+', x: '4851', y: '786', z: '5637'}$