A rectangular piece of land with a length of 60 meters and a width of 30 meters is drawn on a drawing with a scale of 1:1000. What is the area of the rectangle on the drawing?
一块长60米，宽30米的长方形地，把它画在比例尺为1：1000的图纸上，图上这个长方形的面积是多少？
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

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

<gadget id="calculator">30 * 100 * (1/1_000)</gadget>
<output>3</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>