An orchard originally had 24 rows of fruit trees, with 16 trees in each row. After expanding the area of the orchard, each row increased by 30 trees. How many more fruit trees are there after the expansion?
一个果园原24排果树，每排16棵，扩大果园面积后，每排增加了30棵，扩大后比原来多种了多少棵果树？
<gadget id="calculator">30 * 16</gadget>
<output>480</output>

<result>480</result>