A triangular vegetable field has a base of 32 meters and a height of half of the base. What is the area of the plot?
一块三角形的菜地，底是32米，高是底的一半，这块地的面积是多少．
<gadget id="calculator">32 / 2</gadget>
<output>16</output>

<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">32 * 8</gadget>
<output>256</output>

<result>256</result>