<human>:  Dan has two times as many stickers as Tom. Tom has 3 times as many stickers as Bob. If Bob has 12 stickers, how many does Dan have?
<bot>: How many stickers does Tom have? ** Tom has 3*12=<<3*12=36>>36 stickers
How many stickers does Dan have? ** Dan has 2*36= <<2*36=72>>72 stickers
#### 72