Calculation: 2008*200920092009-2009*200820082008=how much.
计算：2008*200920092009-2009*200820082008=多少．
<gadget id="calculator">2_008 * 200_920_092_009</gadget>
<output>403_447_544_754_072</output>

<gadget id="calculator">2_009 * 200_820_082_008</gadget>
<output>403_447_544_754_072</output>

<gadget id="calculator">403_447_544_754_072 - 403_447_544_754_072</gadget>
<output>0</output>

<result>0</result>