When the careless little sloppy was calculating a subtraction problem, he subtracted the "8" in the subtrahend tens place into "3", and the "6" in the subtrahend ones place as "9", and the calculated result was 345 ． What is the correct result?
粗心的小马虎在计算一道减法题时，把被减数十位上的"8"减成了"3"，减数个位上的"6"看成了"9"，算得的结果是345．正确的结果是多少？
<gadget id="calculator">9 - 6</gadget>
<output>3</output>

<gadget id="calculator">345 + 50 + 3</gadget>
<output>398</output>

<result>398</result>