A 25.12-meter rope, is the area of the square enclosed by it larger, or the area of the circle enclosed by it larger? How big is it?
一根25.12米的绳子，用它围成的正方形面积大，还是围成圆的面积大？大多少？
<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">25.12 / 4</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 * 6.28</gadget>
<output>39.4384</output>

<gadget id="calculator">50.24 - 39.4384</gadget>
<output>10.8016</output>

<result>10.8016</result>