The Daming Palace is the political center of the Tang Dynasty in my country, and its area is (7/2) that of the Forbidden City in Beijing. The area of the Daming Palace is much larger than that of the Forbidden City in Beijing.
大明宫是我国唐朝的政治中心，其面积是北京故宫的(7/2)，大明宫的面积比北京故宫的面积多多少．
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(7/2) - 1</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) / 1</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>