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

### Instruction:
 杰里米昨天比今天少听了五首歌。昨天他听了九首歌。两天内他听了多少首歌？


### Response:
 杰里米今天听了9 + 5 = <<9+5=14>>14首歌。
因此，他两天内听了9 + 14 = <<9+14=23>>23首歌。