Mark buys a Magic card for $100, which then triples in value.  How much profit would he make selling it? Let's think step by step and output the final answer after "####".
user
The value went up to 100*3=$<<100*3=300>>300
So he gained 300-100=$<<300-100=200>>200
#### 200
Mark buys a Magic card for $100, which then triples in value.  How much profit would he make selling it?
train