If it takes 7 minutes to saw a piece of wood into 7 sections (if the sawing time is equal each time), how many minutes will it take to saw this piece of wood into 14 sections?
把一根木头锯成7段需要7分钟(若每次锯的时间都相等)，那么将这根木头锯成14段所用时间为多少分钟．
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">7 / 6</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">14 - 1</gadget>
<output>13</output>

<gadget id="calculator">(7/6) * 13</gadget>
<output>91/6 = around 15.166667</output>

<result>91/6 = around 15.166667</result>