In a parallelogram wheat experimental field. Use a scale of 1:4000 to draw on the plan. The bottom of the map is 8 cm and the height is 6 cm. What is the actual area of the test field?
在一块平行四边形小麦试验田．用1：4000的比例尺画在平面图上，图上量底是8厘米，高6厘米，这块试验田实际的面积是多少？
<gadget id="calculator">1 / 4_000</gadget>
<output>1/4_000 = around 0.00025</output>

<gadget id="calculator">8 / (1/4_000) / 100</gadget>
<output>320</output>

<gadget id="calculator">6 / (1/4_000) / 100</gadget>
<output>240</output>

<gadget id="calculator">320 * 240</gadget>
<output>76_800</output>

<result>76_800</result>