The construction team built a road and planned to finish it in three days. Completed the whole course (3/8) on the first day, completed the whole course (5/12) on the second day, how much should be completed on the third day.
工程队修一条公路，计划三天修完．第一天修了全程的(3/8)，第二天修了全程的(5/12)，第三天应修全程的多少．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 - (3/8) - (5/12)</gadget>
<output>5/24 = around 0.208333</output>

<result>5/24 = around 0.208333</result>