917 − 828 = 89
$\snippet{name: op_column, sign: '-', x: 917, y: 828, z: 89}$
 
218 − 159 = 59
$\snippet{name: op_column, sign: '-', x: 218, y: 159, z: 59}$
 
58 + 642 + 87 = 787
$\snippet{name: op_column_rows, args: ['58', '+642', '+87'], solution: '787'}$
 
89 + 372 + 28 = 489
$\snippet{name: op_column_rows, args: ['89', '+372', '+28'], solution: '489'}$
 
900 − 638 = 262
$\snippet{name: op_column, sign: '-', x: 900, y: 638, z: 262}$
 
604 − 187 = 417
$\snippet{name: op_column, sign: '-', x: 604, y: 187, z: 417}$
 
199 * 5 = 995
$\snippet{name: column_multiplication, x: 199, y: 5}$
 
68 * 9 = 612
$\snippet{name: column_multiplication, x: 68, y: 9}$