The worker uncle built the road. He repaired the full length (1/8) on the first day and the full length (5/8) on the second day. What fraction of the full length is left?
工人叔叔修路，第一天修了全长的(1/8)，第二天修了全长的(5/8)，还剩全长的几分之几没有修完？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (1/8) - (5/8)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>