Songshuling Village needs to build a road with a length of 2,400 meters. After a section of the road is built on the first day, if 20% of the total length is repaired on the second day, then the repaired is exactly the full length (5/8). Days later, how many meters are left unrepaired?
松树岭村要修一条长2400米的公路，第一天修了一段路后，如果第二天再修全长的20%，那么已修的正好是全长的(5/8)，修了第一天以后，还有多少米没有修？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(5/8) - (1/5)</gadget>
<output>17/40 = around 0.425</output>

<gadget id="calculator">2_400 * (17/40)</gadget>
<output>1_020</output>

<gadget id="calculator">2_400 - 1_020</gadget>
<output>1_380</output>

<result>1_380</result>