Calculation: 201120112011*2012-201220122012*2011.
计算：201120112011*2012-201220122012*2011．
<gadget id="calculator">201_120_112_011 * 2_012</gadget>
<output>404_653_665_366_132</output>

<gadget id="calculator">201_220_122_012 * 2_011</gadget>
<output>404_653_665_366_132</output>

<gadget id="calculator">404_653_665_366_132 - 404_653_665_366_132</gadget>
<output>0</output>

<result>0</result>