Cut out the largest square from a rectangle with a length of 8 meters and a width of 6 meters. What is the remaining area?
从一个长8米，宽6米的长方形上剪下一个最大的正方形，剩下的面积是多少．
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">48 - 36</gadget>
<output>12</output>

<result>12</result>