A piece of rectangular paper with a length of 30 cm and a width of 12 cm, what is the remaining area after subtracting the largest square from it?
一张长方形的纸，长30厘米，宽12厘米，在里面减去一个最大的正方形后，剩下的面积是多少？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<result>96</result>