There is a parallelogram rose garden in the botanical garden. The base of the rose garden is 120m and the height is 80m. If 9 roses are planted per square meter, how many roses can be planted in this rose garden?
植物园里有一个平行四边形的玫瑰园，量得玫瑰园的底是120m，高是80m，如果每平方米种9株玫瑰，这个玫瑰园一共能种多少株玫瑰？
<gadget id="calculator">120 * 80 * 9</gadget>
<output>86_400</output>

<result>86_400</result>