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

### Instruction:
Tom fills a 250 pound sandbag 80% full.  But the filling material he is using is 40% heavier than sand.  How much does the bag weigh?

### Response:
 เต็ม=250*0.8=<<250*0.8=200>>200 ปอนด์
วัสดุเติม=200*1.4=<<200*1.4=280>>280 ปอนด์
280 ปอนด์