The length and width of a rectangle are both prime numbers, and the circumference is 32 cm. What is the maximum area of the rectangle in square centimeters?
一个长方形的长、宽均为质数，周长为32厘米，这个长方形的面积最多是多少平方厘米．
<gadget id="calculator">5 * 11</gadget>
<output>55</output>

<result>55</result>