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

### Instruction:
A tiger shark has 180 teeth.  A hammerhead shark has 1/6 the number of teeth that a tiger shark has.  A great white shark has double the sum of teeth of a tiger shark and a hammerhead shark. How many teeth does a great white shark have?

### Response:
 ฉลามค้อน: 180/6 = 30 ฟัน
ฉลามขาวใหญ่: 2(180+30) = 420 ฟัน