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

### Instruction:
 安吉丽娜比贾斯汀大4岁。五年后，安吉丽娜将会40岁。计算贾斯汀目前的年龄。


### Response:
 五年后，安吉丽娜将会40岁，这意味着她目前是40-5 = <<40-5=35>>35岁。
由于安吉丽娜目前是35岁，并且她比贾斯汀大四岁，所以贾斯汀目前是35-4 = <<35-4=31>>31岁。