The road construction team repaired a road in three days, the full length (1/4) was repaired on the first day, and the full length (2/5) was repaired on the second day. The first day was repaired 90 meters less than the second day. This road How many meters is the total length?
筑路队三天修好一条马路，第一天修了全长的(1/4)，第二天修了全长的(2/5)，第一天比第二天少修90米，这条马路全长多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</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>