It takes 8 minutes to saw a steel bar into 3 sections, how many minutes will it take to saw it into 5 sections?
把一根钢条锯3段要8分钟，如果把它锯成5段要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>