my country's land area is about 9.6 million square kilometers, of which the grassland area accounts for (5/12), and the grassland area is about tens of thousands of square kilometers.
我国的国土面积大约是960万平方千米，其中草地面积占(5/12)，草地面积大约是多少万平方千米．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">960 * (5/12)</gadget>
<output>400</output>

<result>400</result>