The road construction team wants to build a road with a length of 80 kilometers. 20% of the total length was repaired on the first day, and 1/4 of the total length was repaired on the second day. How many kilometers were repaired in two days?
修路队要修一条长80千米的公路．第一天修了全长的20%，第二天修了全长的(1/4)，两天共修了多少千米？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) + (1/4)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">80 * (9/20)</gadget>
<output>36</output>

<result>36</result>