A test field is close to a parallelogram with a base of 150 meters and a height of 120 meters. What is the area of the test field in hectares?
一块试验田接近平行四边形，它的底是150米，高是120米，这块试验田的面积是多少公顷．
<gadget id="calculator">150 * 120</gadget>
<output>18_000</output>

<gadget id="calculator">18_000 / 10_000</gadget>
<output>9/5 = around 1.8</output>

<result>9/5 = around 1.8</result>