A rectangle can be divided into exactly three identical squares without remainder. Given that the perimeter of this rectangle is 64 cm, what is the area of this rectangle in square centimeters?
一个长方形恰好可以分成三个同样的正方形而没有剩余．已知这个长方形周长是64厘米，这个长方形的面积是多少平方厘米．
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">64 / 2 / 4</gadget>
<output>8</output>

<gadget id="calculator">3 * 8 * 8</gadget>
<output>192</output>

<result>192</result>