A road has been repaired (5/8), how much less is the road that has not been repaired than the one that has been repaired?
一条公路已修好(5/8)，没修的比修好的少几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) - (3/8)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / (5/8)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>