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

### Instruction:
 在佐伊家的车库里有3辆自行车，4辆三轮车和7辆独轮车。每辆自行车有2个轮子，每辆三轮车有3个轮子，每辆独轮车有1个轮子。总共有多少个轮子？


### Response:
 自行车的轮子数是2 × 3 = <<2*3=6>>6个。
三轮车的轮子数是3 × 4 = <<3*4=12>>12个。
独轮车的轮子数是7 × 1 = <<7*1=7>>7个。
总共的轮子数是6 + 12 + 7 = <<6+12+7=25>>25个轮子。