On a map with a scale of 1:30000000, the distance from point A to point B is 5 cm. If a car travels the entire distance in two days at a ratio of 3:2, what is the difference in kilometers between the two days?
在比例尺是1：30000000的地图上，量得甲地到乙地的距离是5厘米，一辆汽车按3：2的比例分两天行完全程，两天行的路程差是多少千米．
<gadget id="calculator">1 / 30_000_000</gadget>
<output>1/30_000_000 = around 0</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">5 / (1/30_000_000) / 100_000 / 5</gadget>
<output>300</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">300 * 1</gadget>
<output>300</output>

<result>300</result>