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

### Instruction:
 Patrick is half the age of his elder brother Robert. If Robert will turn 30 after 2 years, how old is Patrick now?


### Response:
 我们知道帕特里克的年龄是罗伯特年龄的一半。
我们还知道在2年后罗伯特将年满30岁，所以现在他是30-2=<<30-2=28>>28岁。
我们知道帕特里克的年龄是罗伯特年龄的一半，即1/2*28= <<1/2*28=14>>14岁。