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

### Instruction:
 杰森去图书馆的次数比威廉多4倍。如果威廉每周去图书馆2次，那么杰森在4周内去图书馆多少次？


### Response:
 杰森每周去图书馆的次数是4 * 2 = <<4*2=8>>8次。
他在4周内去图书馆的次数是8 * 4 = <<8*4=32>>32次。