Uncle Li cut a steel bar into 6 sections, and it took 30 seconds in total. How many seconds does it take him to cut one time?
李大伯把一根钢筋截成6段，一共用了30秒钟，他截一次要用多少秒．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<result>6</result>