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

### Instruction:
 戴尔刚学会做自制通心粉奶酪。他决定为家庭聚会做一大锅。原始食谱需要2磅面食，可以供7个人食用。戴尔的家庭聚会将有35个人。戴尔需要买多少磅面食？


### Response:
 戴尔的一锅食物需要比原始食谱大5倍，即35 ÷ 7 = <<35/7=5>>5倍。
戴尔需要购买2 × 5 = <<2*5=10>>10磅面食。