The school plans to build an audio-visual classroom. The foundation is a rectangle with a length of 60 meters and a width of 40 meters. Draw it on paper with a scale of 1:2000. What is the area?
学校计划盖一间电化教室，地基是长60米、宽40米的长方形，把它用1：2000的比例尺画在纸上，面积是多少？
<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">60 * 100 * (1/2_000) * 40 * 100 * (1/2_000)</gadget>
<output>6</output>

<result>6</result>