The distance between the two buildings is 48 meters, and a cedar tree is planted every 6 meters. How many cedar trees can be planted between the two buildings?
两座楼之间相距48米，每隔6米栽一棵雪松，两座楼房之间一共能栽多少棵？
<gadget id="calculator">48 / 6</gadget>
<output>8</output>

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

<result>7</result>