There is a trapezoidal flowerbed, the upper base is 25 meters, the lower base is 45 meters, and the height is 20 meters. On average, 35 flowers can be produced per square meter. How many flowers can this land produce in total?
有一块梯形花圃，上底是25米，下底45米，高是20米，平均每平方米产鲜花35枝，这块地一共可以产鲜花多少枝？
<result>14_500</result>