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

### Instruction:
 Juanico is 4 years less than half the age of Gladys. If Gladys will be 40 years old ten years from now, calculate Juanico's age 30 years from now.


### Response:
 如果格拉迪斯十年后将年满40岁，那么她现在是40-10=<<40-10=30>>30岁。
胡安尼科比格拉迪斯年龄的一半少4岁，意味着他比15岁小4岁。
胡安尼科的年龄是15-4 = <<15-4=11>>11岁。
胡安尼科30年后的年龄将是30+11 = 41岁。