A triangular piece of land has a base of 360 meters and a height of 280 meters. What is the area of the land in hectares?
一块三角形地，底是360米，高是280米．这块地的面积是多少公顷？
<gadget id="calculator">280 / 2 / 10_000</gadget>
<output>7/500 = around 0.014</output>

<gadget id="calculator">360 * (7/500)</gadget>
<output>126/25 = around 5.04</output>

<result>126/25 = around 5.04</result>