The largest continent in the world is Asia, with an area of 44 million square kilometers, 8.12 million square kilometers more than four times the area of Oceania. What is the area of Oceania in square kilometers?
世界上最大的洲是亚洲，面积是4400万平方千米，比大洋洲面积的4倍还多812万平方千米．大洋洲的面积是多少万平方千米？
<gadget id="calculator">4_400 - 812</gadget>
<output>3_588</output>

<gadget id="calculator">3_588 / 4</gadget>
<output>897</output>

<result>897</result>