The engineering team repaired a section of road, 200 meters on the first day, and 40% of the total length on the second day, leaving 700 meters unrepaired. How long is this road in meters?
工程队修一段路，第一天修了200米，第二天修了全长的40%，还剩下700米没有修．这段路全长多少米？
<gadget id="calculator">200 + 700</gadget>
<output>900</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">900 / (3/5)</gadget>
<output>1_500</output>

<result>1_500</result>