There are 300 saplings planted in 5 flowerbeds, with 3 rows in each flowerbed, how many trees are planted in each row on average?
有300棵树苗，种植在5块花圃中，每块花圃中3行，平均每行种多少棵？
<gadget id="calculator">300 / 5 / 3</gadget>
<output>20</output>

<result>20</result>