There is a path 2 meters wide around a square flower bed. If the total area of the path is 64 square meters, what is the area of the middle flower bed in square meters?
一个正方形花坛四周有2米宽的小路，如果小路的总面积是64平方米，中间花坛的面积是多少平方米？
<gadget id="calculator">2 * 2 * 4</gadget>
<output>16</output>

<gadget id="calculator">64 - 16</gadget>
<output>48</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">48 / 8</gadget>
<output>6</output>

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

<result>36</result>