To build a road, 15% of the road was built on the first day, 900 meters were built on the second day, and 25% of the road was not repaired. How many meters is this road in total?
修一条路，第一天修了这条路的15%，第二天修了900米，还剩下25%没有修，这条路一共有多少米？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

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

<gadget id="calculator">(3/20) + (1/4)</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>