To build a section of road, the full length (1/5) was repaired in the first week, and 100 meters more than the first week was repaired in the second week, and half of the total length was completed in two weeks. How many meters is the total length of this section of road?
修一段路，第一周修了全长的(1/5)，第二周比第一周多修100米，两周正好做了全长的一半，这段路全长多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

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

<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">100 / (1/10)</gadget>
<output>1_000</output>

<result>1_000</result>