A parallelogram has a base of 60 meters and a height of 45 meters. If peach trees are planted on this land, each peach tree covers an average area of 6 square meters. How many peach trees can be planted in this land?
一块平行四边形地底是60米、高是45米，在这块地上栽桃树，平均每棵桃树占地6平方米，这块地一共可栽桃树多少棵？
<gadget id="calculator">45 / 6</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">60 * (15/2)</gadget>
<output>450</output>

<result>450</result>