What is the area of a parallelogram whose base is 58.2 cm and whose height is half that?
一平行四边形，底是58.2厘米，高是它的一半，面积是多少？
<gadget id="calculator">58.2 / 2</gadget>
<output>29.1</output>

<gadget id="calculator">58.2 * 29.1</gadget>
<output>1_693.62</output>

<result>1_693.62</result>