It takes 30 minutes to saw a steel pipe into 6 sections, how many minutes will it take to saw it into 10 sections?
把一根钢管锯成6段需要30分钟，如果锯成10段要多少分钟．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

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

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<result>54</result>