The area of Asia is 44 million square kilometers, which is 1 million square kilometers less than five times the area of Oceania. How many thousand square kilometers is the area of Oceania?
亚洲的面积是4400万平方千米，比大洋洲面积的5倍少100万平方千米，大洋洲的面积大约是多少万平方千米？
<gadget id="calculator">4_400 + 100</gadget>
<output>4_500</output>

<gadget id="calculator">4_500 / 5</gadget>
<output>900</output>

<result>900</result>