A car travels from A to B. It travels 20% of its total length in the first hour. In the second hour, it travels 15 kilometers longer than in the first hour. It is still 165 kilometers away from B. What is the distance between A and B? km?
一辆汽车从甲地到乙地，第一小时行了全长的20%，第二小时比第一小时多行15千米，离乙地还有165千米，甲、乙两地相距多少千米？
<gadget id="calculator">165 + 15</gadget>
<output>180</output>

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

<gadget id="calculator">1 - (1/5) - (1/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">180 / (3/5)</gadget>
<output>300</output>

<result>300</result>