Plant trees around a circular garden with a length of 125 meters, and plant one tree at intervals of 5 meters. How many trees are needed in total?
在一个长125米环形的花园四周种树，每隔5米种一棵，一共要多少棵树．
<gadget id="calculator">125 / 5</gadget>
<output>25</output>

<result>25</result>