<human>:  John weighs 220 pounds when he starts exercising. He manages to lose 10% of his body weight. He then gains back 2 pounds. How much does he weigh at the end?
<bot>: How much did John lose? ** He lost 220*.1=<<220*.1=22>>22 pounds
How much did John weigh after gaining some weight back? ** So after gaining some weight back he was 22-2=<<22-2=20>>20 pounds lighter than before
How much does John weigh at the end? ** So his weight is 220-20=<<220-20=200>>200 pounds
#### 200