The school playground is 120 meters long and 90 meters wide. On a school plan, the length of the playground is 6 cm. How many square centimeters should the playground be drawn?
学校操场的长是120米，宽90米．在一张学校平面图上，操场的长画6厘米表示，操场的面积应画多少平方厘米？
<gadget id="calculator">6 * 4.5</gadget>
<output>27</output>

<result>27</result>