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

### Instruction:
In a basketball game, Cyrus made exactly eighty percent of the shots he attempted. He attempted twenty shots. How many times did he miss the shots?

### Response:
 ไซรัสทำได้ 20 x 80/100 = <<20*80/100=16>>16 ครั้ง
ดังนั้น เขาโยนลูกไม่สำเร็จ 20 - 16 = <<20-16=4>>4 ครั้ง