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

### Instruction:
Lizzy has to ship 540 pounds of fish that are packed into 30-pound crates. If the shipping cost of each crate is $1.5, how much will Lizzy pay for the shipment?

### Response:
 มีปลาน้ำหนัก 540 ปอนด์ / 30 ปอนด์/ลัง = <<540/30=18>>18 ลังที่ต้องใช้
ดังนั้น ค่าส่งรวมทั้งหมดคือ $1.5/ลัง x 18 ลัง = $<<1.5*18=27>>27