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

### Instruction:
 一位裁缝购买了衣服的纽扣。她买了90个绿色纽扣，比绿色纽扣多10个黄色纽扣，比绿色纽扣少5个蓝色纽扣。裁缝购买了多少个纽扣？


### Response:
 裁缝买了10 + 90 = <<10+90=100>>100个黄色纽扣。
他还买了90 - 5 = <<90-5=85>>85个蓝色纽扣。
因此，裁缝购买了90 + 100 + 85 = <<90+100+85=275>>275个纽扣。