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

### Instruction:
 格雷姆正在称饼干，看看他能装多少个在他的盒子里。他的盒子只能装40磅的饼干。如果每个饼干重2盎司，他能装多少个饼干在盒子里？


### Response:
 40磅 = <<40*16=640>>640盎司
640盎司 / 2盎司每个饼干 = <<640/2=320>>320个饼干