The land area of western my country is 5.4 million square kilometers, which accounts for (9/16) of the national land area, and the national land area is tens of thousands of square kilometers.
我国西部的土地面积是540万平方千米，占全国土地面积的(9/16)，全国土地面积多少万平方千米．
<gadget id="calculator">9 / 16</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">540 / (9/16)</gadget>
<output>960</output>

<result>960</result>