A 2.4-meter-long iron wire is folded into a parallelogram with four equal sides, and the height on any side of it is 0.5 meters. What is the area of the parallelogram in square meters?
一根长2.4米的铁丝，折成一个四条边都相等的平行四边形，它任意一边上的高是0.5米，这时这个平行四边形的面积是多少平方米．
<gadget id="calculator">2.4 / 4</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 * 0.5</gadget>
<output>0.3</output>

<result>0.3</result>