A cubic gymnasium in the National Aquatics Center is rectangular in shape, 177 meters long, 177 meters wide, and 30 meters high. What is the total area around it?
国家游泳中心一立方体体育馆的外形为长方形，长177米，宽177米，高30米，它四周的总面积是多少平方米？
<gadget id="calculator">177 * 4 * 30</gadget>
<output>21_240</output>

<result>21_240</result>