The ocean area on the earth accounts for 70.8% of the earth's surface area, and the land area accounts for how much of the earth's surface area
地球上海洋面积占地球表面积的70.8%，陆地面积占地球表面积的多少
<gadget id="calculator">70.8 / 100</gadget>
<output>0.708</output>

<gadget id="calculator">1 - 0.708</gadget>
<output>0.292</output>

<result>0.292</result>