The shape of a vegetable field is a triangle, its base is 60 meters, and its height is 40 meters. If 5 Chinese cabbages can be planted per square meter, how many Chinese cabbages can be planted in this field?
一块菜地的形状是三角形，它的底是60米，高是40米，如果每平方米可种大白菜5棵，这块地一共可以种大白菜多少棵？
<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">60 * 20</gadget>
<output>1_200</output>

<gadget id="calculator">5 * 1_200</gadget>
<output>6_000</output>

<result>6_000</result>