The side length of the first square is 2 cm more than three times the side length of the second square, and their perimeters differ by 32 cm. Find the area of the second square. (solution by equation)
第一个正方形的边长比第二个正方形的边长的3倍多2厘米，它们的周长相差32厘米，求第二个正方形的面积．(用方程解)
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">32 - 8</gadget>
<output>24</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 - 4</gadget>
<output>8</output>

<gadget id="calculator">24 / 8</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>