A corridor is 24 meters long. If one potted flower is placed every 3 meters, how many potted flowers can be placed at least? How to put flowers?
一条走廊长24米，如果每隔3米放1盆花，最少可以放几盆花？怎样放花？
<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<result>7</result>