The school wants to make a parallelogram billboard with a base length of 4 meters and a height of 2 meters. If the advertising company charges 30 yuan per square meter for making the billboard, how much should the school pay the advertising company?
学校要制作一块平行四边形宣传牌，底长4米，高2米，如果广告公司制作广告牌每平方米收费30元，那么学校应支付给这个广告公司多少元？
<gadget id="calculator">4 * 2 * 30</gadget>
<output>240</output>

<result>240</result>