The height of a triangular field is 15m, and the bottom is twice the height. If 10 cabbages are planted per square meter, and each cabbage weighs 1.5kg on average, how many kilograms of cabbage will be harvested in this field?
一块三角形地，高是15m，底是高的2倍，如果每平方米种10棵白菜，每棵白菜平均重1.5kg，这块地共收白菜多少千克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">15 * 2 * 15</gadget>
<output>450</output>

<gadget id="calculator">(1/2) * 450 * 10 * 1.5</gadget>
<output>3_375</output>

<result>3_375</result>