The teaching building covers an area of 660m**2, which is about 3/40 of the total area of the campus. What is the approximate total area of the campus? (Equation arithmetic both ways)
学校教学大楼占地面积是660米**2，约是校园总面积的(3/40)，校园的总面积约是多少？(方程算术两种方法)
<gadget id="calculator">3 / 40</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">660 / (3/40)</gadget>
<output>8_800</output>

<result>8_800</result>