The perimeter of a rectangle is 24 decimeters, if the length and width are prime numbers, what is the area of the rectangle in square decimeters?
一个长方形的周长是24分米，如果长和宽都是素数，这个长方形的面积是多少平方分米？
<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<result>35</result>