a * 9 + (b + 7 % 2) - 20*7%(b%5)-++a=8*9 + (12 + 1) - 140 % (12%5) - 9=8*9 + 13 - 140%2 - 9=72 + 13 - 0 - 9=85 - 9= 76
a * 9=72b+7%2=12+1=1320 * 7%(b%5) =140%(12%5)=140%2=0++a=a+1=8+1=9sum=72+13-0-9=76