There is a circular pool in the school. The circumference of the pool is 40 meters. If a tree is planted every 4 meters around the pool, how many trees will be planted in total?
学校有一个圆形水池，水池的周长为40米，如果绕着水池每隔4米种一棵树，一共要种几棵树？
<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<result>10</result>