A primary school has a rectangular experimental field. If the length of the experimental field is increased by 6 meters or the width is increased by 4 meters, the area will be increased by 48 square meters. Do you know how many square meters this experimental field is?
某小学有一块长方形实验田，如果这块实验田的长增加6米，或者宽增加4米，则面积都比原来增加48平方米．你知道这块实验田有多少平方米吗？
<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">8 * 12</gadget>
<output>96</output>

<result>96</result>