rectangular piece of land, the ratio of length to width is 6:5, drawn on the map according to the scale of 1:1000, its perimeter is 22 cm, how many square meters is the area of this piece of land?
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，其周长是22厘米，这块地的面积是多少平方米？
<gadget id="calculator">22 / 2</gadget>
<output>11</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">11 * (6/11)</gadget>
<output>6</output>

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

<gadget id="calculator">5 / (1/1_000) / 100</gadget>
<output>50</output>

<gadget id="calculator">11 * (60/11) * 50</gadget>
<output>3_000</output>

<result>3_000</result>