7 potted flowers are evenly placed on a 40-meter long corridor, and the ends are not placed. What is the distance between each two potted flowers?
在一条40米的长廊上均匀地放了7盆花，两端不放，每两盆花之间的间隔是多少米．
<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">40 / 8</gadget>
<output>5</output>

<result>5</result>