To build a 400-meter-long road, 25% of the road was repaired on the first day, and 30% was repaired on the second day. How many meters were repaired in two days?
修一条长400米长的路，第一天修了25%，第二天修了30%，两天共修了多少米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

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

<gadget id="calculator">400 * (11/20)</gadget>
<output>220</output>

<result>220</result>