A rectangular fish pond is 160m long and 120m wide. If you draw it on a drawing with a scale of (1/4000), what is the area on the drawing?
一个长方形养鱼池，长是160m，宽是120m，把它画在比例尺是(1/4000)的图纸上，它的图上面积是多少？
<gadget id="calculator">1 / 4_000</gadget>
<output>1/4_000 = around 0.00025</output>

<gadget id="calculator">160 * 100 * (1/4_000) * 120 * 100 * (1/4_000)</gadget>
<output>12</output>

<result>12</result>