To build a section of road, the section of road was built on the first day (5/16), and the same amount was repaired on the second day as on the first day. What percentage of the section of the road remained unrepaired?
修一段公路，第一天修了这段路的(5/16)，第二天与第一天修的同样多，还剩下这段路的几分之几没有修？
<gadget id="calculator">5 / 16</gadget>
<output>5/16 = around 0.3125</output>

<gadget id="calculator">1 - (5/16) - (5/16)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>