Plant trees on the edge of a pond with a circumference of 240 meters, and plant a tree every 4 meters. How many trees are planted along the pond?
在一个周长是240米的池塘边上栽树，每隔4米栽一棵树，沿池塘一周共栽多少棵树？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<result>60</result>