A road with a length of 150 meters has been repaired (2/3), and the remaining 4 days are completed, how many meters should be repaired on average per day?
修一条长150米的公路，已经修好了(2/3)，剩下的4天修完，平均每天应修多少米？
<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">(1/3) / 4</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">150 * (1/12)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>