It takes 1 second for the clothing cutting teacher to cut a piece of cloth into 2 sections, how many seconds does it take to cut the same cloth into 9 sections.
服装裁剪老师把一条布剪成2段要1秒钟，把同样的布裁剪成9段要多少秒钟．
<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">1 * 8</gadget>
<output>8</output>

<result>8</result>