The road repair team repaired a section of road. On the first day, they repaired 30% of this section of road. On the second day, they repaired 20 meters more than the first day. In two days, they built a total of 440 meters. How many meters is this section of road?
修路队修一段公路，第一天修了这段公路的30%，第二天比第一天多修20米，两天共修了440米，这段公路有多少米？
<gadget id="calculator">440 - 20</gadget>
<output>420</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/10) + (3/10)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">420 / (3/5)</gadget>
<output>700</output>

<result>700</result>