88 : 44 * 27 = 2 * 27 = 54
 
99 : 33 * 18 = 3 * 18 = 54
 
10375 − (8003 − 567) = 10375 − 7436 = 2939
$\snippet{name: op_column, sign: '-', x: 8003, y: 567, z: 7436}$
 
$\snippet{name: op_column, sign: '-', x: 10375, y: 7436, z: 2939}$
 
35008 − (12049 + 765) = 35008 − 12814 = 22194
$\snippet{name: op_column, sign: '+', x: 12049, y: 765, z: 12814}$
 
$\snippet{name: op_column, sign: '-', x: 35008, y: 12814, z: 22194}$
 
25 * 8 * 0 = 0
 
9 : 1 − 9 = 9 − 9 = 0