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

### Instruction:
 潘格收集棒球卡。他买了60包棒球卡。每包里有7张卡。他想把这些卡放在特殊的页面上保护卡片。每页可以放10张卡。他需要买多少页？


### Response:
 60包 * 7张/包 = <<60*7=420>>420张卡
420张卡 / 10张/页 = <<420/10=42>>42页