There are 25 potted flowers in the cultural square, and one potted flower is placed every 4m. Now the distance between every two adjacent potted flowers should be changed to 6m. How many potted flowers do not need to be moved?
文化广场有25盆花，每隔4m放一盆花，现在要把每相邻两盆花之间的距离数改为6m，共有多少盆花不需要移动？
<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">24 * 4</gadget>
<output>96</output>

<gadget id="calculator">96 / 12</gadget>
<output>8</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<result>9</result>