There is a triangular vegetable field with a ground of 15 meters and a height of 4 meters. How many Chinese cabbages can be planted in this vegetable field with 12 Chinese cabbages per square meter?
有一块三角形菜地底是15米，高是4米，每平方米种12棵大白菜这块菜地一共可以栽大白菜多少棵？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">15 * 2 * 12</gadget>
<output>360</output>

<result>360</result>