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

### Instruction:
 昨天，布鲁斯和迈克尔在公园里踢足球。布鲁斯进了4个球，而迈克尔进了布鲁斯的3倍。布鲁斯和迈克尔一共进了多少球？


### Response:
 布鲁斯进了<<4=4>>4个球。
迈克尔进的球是布鲁斯的3倍，所以迈克尔进了4 * 3 = <<4*3=12>>12个球。
总共，布鲁斯和迈克尔一共进了4 + 12 = <<4+12=16>>16个球。