1. (b-27)*5
b=32 (32-27)*5=25
b=30 (30-27)*5=15
2. (b*27)*(5:c)
b=5 c=5 (5*27)*(5:5)=135
b=1 c=1 (1*27)*(5:1)=135
1. (b-27)*5
b=32 (32-27)*5=25
b=30 (30-27)*5=15
2. (b*27)*(5:c)
b=5 c=5 (5*27)*(5:5)=135
b=1 c=1 (1*27)*(5:1)=135