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

### Instruction:
 玛丽亚收集邮票并希望扩大她的收藏。到目前为止，她已经收集了40张邮票，并计划增加20%。玛丽亚总共想收集多少张邮票？


### Response:
 玛丽亚计划在她的收藏中增加40 * 20/100 = <<40*20/100=8>>8张邮票。
这意味着她希望有40 + 8 = <<40+8=48>>48张邮票。