The road repair team repaired a road with a length of (3/2) meters. On the first day, it repaired the full length (1/8), and on the second day it repaired the full length (3/10), leaving a fraction of the full length How many have not been repaired?
修路队修一条长(3/2)米的公路，第一天修了全长的(1/8)，第二天修了全长的(3/10)，还剩下全长的几分之几没有修？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (1/8) - (3/10)</gadget>
<output>23/40 = around 0.575</output>

<result>23/40 = around 0.575</result>