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

### Instruction:
Hazel and Razel are twins who share everything they receive. If Hazel received 6 shirts, while Razel received twice the number of shirts as Hazel. How many shirts do they have in total?

### Response:
 เรเซลได้รับเสื้อ 6 x 2 = <<6*2=12>>12 ตัว
ดังนั้นพวกเขามีเสื้อทั้งหมด 12 + 6 = <<12+6=18>>18 ตัว