Put Chinese rose flowers around a circular flower bed with a circumference of 81 meters. The distance between every two adjacent potted flowers is 1.5 meters. How many potted flowers do you need in total?
在一个周长为81米的圆形花坛四周摆月季花，每相邻两盆花之间的距离是1.5米，一共需要摆多少盆花．
<gadget id="calculator">81 / 1.5</gadget>
<output>54</output>

<result>54</result>