A triangular wheat field has a length of 45 meters and a height of 15 meters. If 60 kilograms of wheat is harvested per square meter. How many kilograms of wheat can be harvested from this wheat field?
一块三角形麦地，地长45米，高15米，如果每平方米收小麦60千克．这块麦地一共可以收小麦多少千克？
<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">45 * (15/2) * 60</gadget>
<output>20_250</output>

<result>20_250</result>