The playground of Peizheng Primary School is 80 meters long and 50 meters wide. If you draw a plan of the playground on a scale of (1/500), what is the area on the map?
培正小学的操场长80米，宽50米，如果用(1/500)的比例尺画出操场的平面图，图上面积是多少．
<gadget id="calculator">1 / 500</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">80 * 100 * (1/500) * 50 * 100 * (1/500)</gadget>
<output>160</output>

<result>160</result>