Use a 37.68 decimeter iron wire to form a figure with the largest area (not counting the joints). What is the area of this figure in square decimeters?
用一根37.68分米的铁丝围成一个面积最大的图形(接头处不计)．这个图形的面积是多少平方分米？
<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36</gadget>
<output>113.04</output>

<result>113.04</result>