A rectangular vegetable garden is 75 meters long and 40 meters wide. If 4 cabbages are planted per square meter, how many cabbages can be planted in this vegetable garden?
一个长方形菜园，长75米，宽40米，如果每平方米种4棵白菜，这个菜园一共可以种多少棵白菜？
<gadget id="calculator">75 * 40 * 4</gadget>
<output>12_000</output>

<result>12_000</result>