Calculation: 2006*200520052005-2005*200620062006.
计算：2006*200520052005-2005*200620062006．
<gadget id="calculator">2_006 * 200_520_052_005</gadget>
<output>402_243_224_322_030</output>

<gadget id="calculator">2_005 * 200_620_062_006</gadget>
<output>402_243_224_322_030</output>

<gadget id="calculator">402_243_224_322_030 - 402_243_224_322_030</gadget>
<output>0</output>

<result>0</result>