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

### Instruction:
 昨天，文森特买了十五包贴纸。今天，他比昨天多买了十包贴纸。文森特一共有多少包贴纸？


### Response:
 由于文森特今天比昨天多买了十包贴纸，他今天买了十五包 + 十包 = <<10+15=25>>25包贴纸。
文森特一共有十五包 + 二十五包 = <<15+25=40>>40包贴纸。