The total area of Africa is about 30 million square kilometers, which is smaller than that of Asia (9/29). How many thousand square kilometers is the total area of Asia? (answer in two ways)
非洲总面积约3000万平方千米，比亚洲小(9/29)，亚洲的总面积是多少万平方千米？(用两种方法解答)
<gadget id="calculator">9 / 29</gadget>
<output>9/29 = around 0.310345</output>

<gadget id="calculator">1 - (9/29)</gadget>
<output>20/29 = around 0.689655</output>

<gadget id="calculator">3_000 / (20/29)</gadget>
<output>4_350</output>

<result>4_350</result>