Xiao Ming and his two good friends wrote a total of 720 brush characters in 8 days. How many characters did each person write on average every day?
小明和他的2个好朋友8天一共写了720个毛笔字，平均每人每天写了多少字？
<gadget id="calculator">720 / 8 / 3</gadget>
<output>30</output>

<result>30</result>