There is a parallelogram-shaped garden with a base of 40 decimeters and a height of 12 decimeters. On average, 3 branches of flowers are produced per square decimeter. How many branches of flowers can this flower garden produce in total?
有一块平行四边形花圃，底是40分米，高是12分米．平均每平方分米产3枝鲜花，这块花圃一共可以产鲜花多少枝？
<gadget id="calculator">40 * 12 * 3</gadget>
<output>1_440</output>

<result>1_440</result>