A piece of triangular land has a base of 60 meters and a height of 40 meters. If each cabbage covers an area of 15 square decimeters, how many cabbages can be planted on this land?
一块三角形地，底是60米，高是40米，如果每棵白菜占地15平方分米，这块地可以种多少棵白菜？
<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">100 / 15</gadget>
<output>20/3 = around 6.666667</output>

<gadget id="calculator">60 * 20 * (20/3)</gadget>
<output>8_000</output>

<result>8_000</result>