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

### Instruction:
 约翰在举重。他卧推15磅，做10次，共做3组。他总共移动了多少重量？


### Response:
 约翰卧推15磅，做10次，共做3组。
他总共移动的重量是15磅 x 10次 x 3组 = <<15*10*3=450>>450磅。