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

### Instruction:
A psychologist believes one in every four people has a disorder he calls ZYX syndrome. The clinic where he works has recently doubled its previous number of 26 patients. How many patients is the psychologist likely to diagnose with ZYX syndrome?

### Response:
 26 * 2 = <<26*2=52>>52 คน
1/4 * 52 คน = <<1/4*52=13>>13 คน
นักจิตวิทยาน่าจะวินิจฉัยว่ามีอาการ ZYX ได้ 13 คน