Xiaofang and two good friends wrote a total of 300 brush characters in 5 days. How many brush characters do each person write on average every day?
小芳和2个好朋友5天一共写了300个毛笔字，平均每人每天写多少个毛笔字？
<gadget id="calculator">300 / 5 / 3</gadget>
<output>20</output>

<result>20</result>