Xiaohong, Xiaolin, and Xiaogang practiced 630 big characters a week. How many big characters do each person practice on average every day?
小红、小林和小刚一星期一共练了630个大字，平均每人每天练多少个大字？
<gadget id="calculator">630 / 7 / 3</gadget>
<output>30</output>

<result>30</result>