After subtracting 3 cm from the length of a rectangle, a square with a perimeter of 32 cm is obtained. What is the length of the original rectangle in cm?
把一个长方形的长减去3厘米后，得到一个周长是32厘米的正方形，原来长方形的长是多少厘米．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<result>11</result>