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

### Instruction:
 罗杰今天早上骑自行车骑了2英里，然后晚上骑了这个数量的5倍。罗杰一共骑了多少英里？


### Response:
 罗杰早上骑了2英里，然后晚上骑了这个数量的5倍，晚上骑了5*2=10英里。
总共，罗杰一天骑了2+10=<<2+10=12>>12英里。