The road repair team built a road. In the first week, 40% of the total length was repaired, and in the second week, 25% of the total length was repaired. The first week was 300 meters longer than the second week. How long is this road in meters?
修路队修一条路，第一周修了全长的40%，第二周修了全长的25%，第一周比第二周多修了300米，这条路全长多少米？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">300 / (3/20)</gadget>
<output>2_000</output>

<result>2_000</result>