If 6 centimeters are removed from the length of a rectangle, the area will be reduced by 48 square centimeters, and what remains is exactly a square. Find the area of the square?
一个长方形的长去掉6厘米，面积就减少48平方厘米，剩下的正好是一个正方形，求正方形的面积？
<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>