Rose flowers are to be planted in front of the north wall of the school, with a total length of 300 meters, and one plant is planted every 5 meters, and flowers cannot be planted at both ends. How many roses can be planted in total?
学校北墙前要栽月季花，全长300米，每隔5米种一株，两头不能种花．共能栽多少株月季花？
<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>