A car travels from A to B. It travels 25% of the journey on the first day and 300km on the second day. At this time, the ratio of the distance traveled to the remaining distance is 2:3. How many thousand is the distance between A and B? rice?
一辆汽车从甲地到乙地，第一天行了全程的25%，第二天行了300km，这时已行路程和剩下路程的比2：3，甲，乙两地相距多少千米？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">300 / (3/20)</gadget>
<output>2_000</output>

<result>2_000</result>