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

### Instruction:
Lyssa and Precious took an English proficiency exam. Lyssa answered 20% of the items incorrectly. Precious got 12 mistakes. How many more correct answers did Lyssa get than precious if there were 75 items in the exam?

### Response:
 ลิสซ่าตอบผิด 75 x 20/100 = <<75*20/100=15>>15 ข้อ
เพรชัสตอบผิด 12 ข้อ และลิสซ่าตอบผิด 15 ข้อ ดังนั้นลิสซ่าทำได้ดีกว่าเพรชัส 15 - 12 = <<15-12=3>>3 ข้อ