car drives from place A to place B. It travels 20% of the journey in the first hour and 25% of the journey in the second hour. There is still 110km left to reach place B. How long is the road between places A and B? ?
一辆汽车从甲地开往乙地，第1小时行驶了全程的20%，第2小时行驶了全程的25%，还剩下110km到乙地，甲、乙两地间的公路长多少米？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/5) - (1/4)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">110 / (11/20)</gadget>
<output>200</output>

<gadget id="calculator">200 * 1_000</gadget>
<output>200_000</output>

<result>200_000</result>