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

### Instruction:
 一个鱼缸里有三条金鱼和十条斑马鱼。每条金鱼都玩十个红球，而每条斑马鱼都玩五个白球。鱼缸里一共有多少个球？


### Response:
 如果有三条金鱼，每条都玩十个红球，那么鱼缸里的红球数量就是3*10=<<3*10=30>>30个。
还有十条斑马鱼玩五个白球，鱼缸里的白球数量就是10*5=<<10*5=50>>50个。
鱼缸里红球和白球的总数量是50+30=80个。