Draw a triangular piece of land on a drawing with a scale of 1:500. The base of the triangle on the drawing is 12 cm and the height is 8 cm. What is the actual area of the land?
把一块三角形的地画在比例尺是1：500的图纸上，量得图上三角形的底是12厘米，高8厘米，这块地的实际面积是多少？
<gadget id="calculator">1 / 500</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">8 / (1/500)</gadget>
<output>4_000</output>

<gadget id="calculator">12 / (1/500) / 2 / 10_000</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">4_000 * (3/10)</gadget>
<output>1_200</output>

<result>1_200</result>