The road construction team completed a section of road in three days. 25% of the total length was repaired on the first day, 400 meters on the second day, and the length ratio between the third day and the second day was 5:4. How long is this road in meters?
修路队三天修完一段路．第一天修了全长的25%，第二天修了400米，第三天和第二天修路的长度比是5：4．这段路长是多少米？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">400 * (5/4)</gadget>
<output>500</output>

<gadget id="calculator">500 + 400</gadget>
<output>900</output>

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

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">900 / (3/4)</gadget>
<output>1_200</output>

<result>1_200</result>