The ocean area on the earth is 360 million square kilometers, which is about 1.5 times the land area. How many billion square kilometers is the land area of the earth? (column equation solution)
地球上的海洋面积有3.6亿平方千米，大约是陆地面积的1.5倍．地球上的陆地面积大约是多少亿平方千米？(列方程解答)
<gadget id="calculator">3.6 / 1.5</gadget>
<output>2.4</output>

<result>2.4</result>