Calculate how much 12345*12346-12344*12343=.
计算12345*12346-12344*12343=多少．
<gadget id="calculator">12_345 * 12_346</gadget>
<output>152_411_370</output>

<gadget id="calculator">12_344 * 12_343</gadget>
<output>152_361_992</output>

<gadget id="calculator">152_411_370 - 152_361_992</gadget>
<output>49_378</output>

<result>49_378</result>