It takes 30 minutes to saw a piece of wood into 6 sections. According to this calculation, how many minutes will it take to saw it into 5 sections?
把一根木料锯成6段要30分钟，照这样计算，锯成5段要用多少分钟．
<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>