A section of road was built, 25% of the total length was repaired on the first day, and 20% more was repaired on the second day than on the first day. What percentage of the total length was repaired in two days?
修一段路，第一天修了全长的25%，第二天比第一天多修了20%，两天共修了全长的百分之几？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(1/4) * (6/5)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/10) + (1/4)</gadget>
<output>11/20 = around 0.55</output>

<result>11/20 = around 0.55</result>