A rectangular flower bed in the community is surrounded by a fence. It is 6 meters long and 4 meters wide. It needs to be changed into a square flower bed. Comparing its area with the original rectangle, which one is larger? How much is the difference?
小区里一个长方形花坛围着篱笆，长6米，宽4米，要改围成一个正方形花坛，它的面积和原先的长方形比较，哪个大？相差多少？
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">25 - 24</gadget>
<output>1</output>

<result>1</result>