A green belt is built on both sides of the road, each green belt is 200 meters long and 5 meters wide. How many square meters is the total area of the green belt?
公路的两旁各建一条绿化带，每条绿化带长200米，宽5米．绿化带的面积共有多少平方米？
<gadget id="calculator">200 * 5 * 2</gadget>
<output>2_000</output>

<result>2_000</result>