If the length of a rectangle is reduced by 3 cm and the width is increased by 2 cm, a square with the same area as the original rectangle is obtained. What is the area of the original rectangle in square centimeters?
将一个长方形的长减少3厘米，宽增加2厘米，就得到一个与原来的这个长方形面积相等的正方形，原来长方形的面积是多少平方厘米？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">3 - 5 - 1</gadget>
<output>-3</output>

<gadget id="calculator">1 + 3 + (-3)</gadget>
<output>1</output>

<gadget id="calculator">9 / 1</gadget>
<output>9</output>

<gadget id="calculator">9 - 5</gadget>
<output>4</output>

<gadget id="calculator">9 * 4</gadget>
<output>36</output>

<result>36</result>