It takes 30 minutes to cut a piece of wood into 6 sections, how long does it take to cut a piece of wood of the same length into 5 sections?
一根木材截成6段要用30分钟，那么同样长的一根木材截成5段，需要多少时间？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

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

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>