Xiaohua, Xiaoying and Xiaoming wrote a total of 540 characters in 6 days. How many characters do they write each day on average?
小华、小英和小明6天一共写了540个大字，平均每人每天写多少个字？
<gadget id="calculator">540 / 6 / 3</gadget>
<output>30</output>

<result>30</result>