6,37 + 0,12 = 6,49
$\snippet{name: op_column, sign: '+', x: '6,37', y: '0,12', z: '6,49'}$

12,07 + 32,55 = 44,62
$\snippet{name: op_column, sign: '+', x: '12,07', y: '32,55', z: '44,62'}$

0,123 + 7,754 = 7,877
$\snippet{name: op_column, sign: '+', x: '0,123', y: '7,754', z: '7,877'}$

8,4502 + 0,3008 = 8,751
$\snippet{name: op_column, sign: '+', x: '8,4502', y: '0,3008', z: '8,7510'}$

1,35 + 3,12 + 5,23 = 9,7
$\snippet{name: op_column_rows, args: ['1,35', '+3,12', '5,23'], solution: '9,70'}$

4,05 + 7,14 + 5,18 = 16,37
$\snippet{name: op_column_rows, args: ['4,05', '+7,14', '5,18'], solution: '16,37'}$