Calculation: 2006*20052006-2005*20062005=how much.
计算：2006*20052006-2005*20062005=多少．
<gadget id="calculator">2_006 * 20_052_006</gadget>
<output>40_224_324_036</output>

<gadget id="calculator">2_005 * 20_062_005</gadget>
<output>40_224_320_025</output>

<gadget id="calculator">40_224_324_036 - 40_224_320_025</gadget>
<output>4_011</output>

<result>4_011</result>