The base of the parallelogram is 16 meters long and the height is half of the base. What is its area in square meters?
平行四边形的底长16米，高是底的一半，它的面积是多少平方米．
<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">16 * 8</gadget>
<output>128</output>

<result>128</result>