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

### Instruction:
 布兰登去年卖了86只壁虎。他前年卖了这个数量的两倍。布兰登在过去两年中卖了多少只壁虎？


### Response:
 布兰登去年卖了86只壁虎，前年卖了两倍的数量，即86 x 2 = <<86*2=172>>172只壁虎。
布兰登总共卖了172 + 86 = <<172+86=258>>258只壁虎。