A concrete road was built in Xiaohe Village. On the first day, 2/5 of the total length was built, and on the second day, 25% of the total length was repaired. The first day was 90m longer than the second day. How long is this cement road in meters?
小河村修一条水泥路，第一天修了全长的(2/5)，第二天修了全长的25%，第一天比第二天多修90m，这条水泥路全长多少米？
<gadget id="calculator">2 / 5</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">90 / (3/20)</gadget>
<output>600</output>

<result>600</result>