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

### Instruction:
 三年后，杰登的年龄将是欧内斯托年龄的一半。如果欧内斯托现在11岁，那么杰登现在多少岁？


### Response:
 三年后，欧内斯托将是11 + 3 = <<11+3=14>>14岁。
三年后，杰登将是14/2 = <<14/2=7>>7岁。
杰登现在是7 - 3 = <<7-3=4>>4岁。