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

### Instruction:
Marcus has three times as many cheese crackers as Mona.  Nicholas has 6 more crackers than Mona.  If Marcus has 27 crackers, how many crackers does Nicholas have?

### Response:
If Marcus has 27 cheese crackers, then Mona has 27 / 3 = <<27/3=9>>9 cheese crackers.
Nicholas has 6 more cheese crackers than Mona, a total of 9 + 6 = <<6+9=15>>15 cheese crackers.
#### 15