A triangular vegetable field has a base of 16 meters and a height of 8 meters. What is the area of this vegetable field?
一块三角形的菜地，底是16米，高是8米，这块菜地的面积是多少？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<result>64</result>