If a triangular nursery with a base of 30 meters and a height of 10 meters produces 15 flower seedlings per square meter, how many flower seedlings can this nursery produce?
一块底30米，高10米的三角形苗圃，如果每平方米产花苗15棵，这块苗圃能产花苗多少棵？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">30 * 5 * 15</gadget>
<output>2_250</output>

<result>2_250</result>