A square vegetable greenhouse with a side length of 60 meters. If 8 loofah seedlings can be planted per square meter, how many loofah seedlings can be planted in this greenhouse?
一个正方形蔬菜大棚，边长为60米．如果每平方米可以栽8棵丝瓜苗，这个大棚里一共可以栽多少棵丝瓜苗？
<gadget id="calculator">60 * 60 * 8</gadget>
<output>28_800</output>

<result>28_800</result>