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

### Instruction:
Yesterday, Vincent bought fifteen packs of stickers. Today, he bought ten more packs of stickers than yesterday. How many packs of stickers does Vincent have altogether?

### Response:
 Kwa kuwa Vincent alinunua pakiti 10 zaidi ya stika leo kuliko jana, alinunua pakiti 15 + 10 = <<10+15=25>>25 za stika leo.
Jumla, Vincent ana pakiti 15 + 25 = <<15+25=40>>40 za stika.