A section of road is 720 meters, and the full length (2/3) will be repaired in the first 8 days. According to this calculation, how many days will it take to complete the rest.
一段路720米，前8天修全长的(2/3)，照这样计算，余下的还需多少天修完．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) / 8</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/3) / (1/12)</gadget>
<output>4</output>

<result>4</result>