A rectangular piece of land has a ratio of length to width of 6:5. Draw on the diagram on a scale of 1:1000, the circumference is 44 cm. It is planned to build a building on this piece of land, which covers 40% of the land. What is the floor area of this building in square meters?
一块长方形地，长与宽的比是6：5．按1：1000的比例尺画在图上，周长是44厘米．计划在这块上盖一幢楼，占地面积是这块地的40%，这幢楼的占地面积是多少平方米．
<gadget id="calculator">44 / 2</gadget>
<output>22</output>

<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">(6/11) / (1/1_000) / 100</gadget>
<output>60/11 = around 5.454545</output>

<gadget id="calculator">22 * (6/11)</gadget>
<output>12</output>

<gadget id="calculator">22 - 12</gadget>
<output>10</output>

<gadget id="calculator">10 / (1/1_000) / 100</gadget>
<output>100</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">22 * (60/11) * 100 * (2/5)</gadget>
<output>4_800</output>

<result>4_800</result>