The circumference of a circular pond is 300 meters, and a tree is planted every 5 meters, how many saplings are needed.
一个圆形池塘周长300米，每隔5米栽种一棵树，需要多少树苗．
<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<result>60</result>