Xiaohua walked from place A to place B. He walked the whole distance (1/4) in the first hour, and 20% of the whole journey in the second hour. At this time, he was still 11 kilometers away from the finish line. How many kilometers are the distance between places A and B? ?
小华从甲地步行去乙地，第一小时行了全程的(1/4)，第二小时行了全程的20%，这时离终点还有11千米，甲乙两地相距多少千米？
<gadget id="calculator">1 / 4</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 - (1/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

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

<result>20</result>