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

### Instruction:
 山姆买了一个带有组合锁的重型保险箱。保险箱里有四排，每排二十个金条。如果每个金条价值20000美元，计算保险箱里金条的总价值。


### Response:
 如果保险箱里有四排二十个金条，那么保险箱里金条的总数是4*20=<<4*20=80>>80个。
由于每个金条价值20000美元，80个金条的总价值是80*$20000 =$1600000。