Calculation: 109109*108108108-108108*109109109.
计算：109109*108108108-108108*109109109．
<gadget id="calculator">109_109 * 108_108_108</gadget>
<output>11_795_567_555_772</output>

<gadget id="calculator">108_108 * 109_109_109</gadget>
<output>11_795_567_555_772</output>

<gadget id="calculator">11_795_567_555_772 - 11_795_567_555_772</gadget>
<output>0</output>

<result>0</result>