triangular piece of land has a base of 12 meters and a height of 25 meters. The average yield of peanuts per square meter is 2 kg. How many kilograms of peanuts can be harvested in this land?
一块三角形的地，底为12米，高是25米，平均每平方米收花生2kg，这块地共可以收多少千克的花生？
<gadget id="calculator">25 / 2</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">12 * (25/2) * 2</gadget>
<output>300</output>

<result>300</result>