Calculation: 2003*200220022002-2002*200320032003.
计算：2003*200220022002-2002*200320032003．
<gadget id="calculator">2_003 * 200_220_022_002</gadget>
<output>401_040_704_070_006</output>

<gadget id="calculator">2_002 * 200_320_032_003</gadget>
<output>401_040_704_070_006</output>

<gadget id="calculator">401_040_704_070_006 - 401_040_704_070_006</gadget>
<output>0</output>

<result>0</result>