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

### Instruction:
 罗杰利用午休时间在办公楼里爬楼梯。他可以在30分钟内走2000步。如果他每天的目标是10000步，他需要多少分钟才能达到目标？


### Response:
 罗杰每走一步需要30/2000 = <<30/2000=0.015>>0.015分钟。
要走10000步，他需要0.015 x 10000 = <<0.015*10000=150>>150分钟。