Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
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?

### Response:
Bob has 12 stickers, so Tom has 3 * 12 = <<3*12=36>>36 stickers.
Dan has 2 * 36 = <<2*36=72>>72 stickers.
#### 72

