It takes 8 minutes to saw a 2-meter-long material into 7 sections. What is the total time spent on average for one saw?
把2米长的材料，锯成7段，共用去8分钟，平均锯一次用了总时间的多少
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>