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

### Instruction:
 阿尔文和埃尔隆德采了一些花。阿尔文能够采到20朵郁金香，而埃尔隆德采到的郁金香是阿尔文的两倍。他们总共采到了多少朵郁金香？


### Response:
 埃尔隆德采到了20 x 2 = <<20*2=40>>40朵郁金香。
所以，他们总共采到的郁金香数量是40 + 20 = <<40+20=60>>60朵。