Simple calculation: 2346*3455-2345*3456.
简便计算：2346*3455-2345*3456．
<gadget id="calculator">2_346 * 3_455</gadget>
<output>8_105_430</output>

<gadget id="calculator">2_345 * 3_456</gadget>
<output>8_104_320</output>

<gadget id="calculator">8_105_430 - 8_104_320</gadget>
<output>1_110</output>

<result>1_110</result>