When doing an addition problem, Xiaohu regards the 6 in one of the addends as 9, and the 3 in the tens place as 5, and the resulting sum is 86. What is the original correct sum?
做一道加法题时，小虎把其中一个加数个位上的6看作9，把十位上的3看作5，结果和是86，原来正确的和是多少．
<gadget id="calculator">9 - 6</gadget>
<output>3</output>

<gadget id="calculator">3 + 20</gadget>
<output>23</output>

<gadget id="calculator">86 - 23</gadget>
<output>63</output>

<result>63</result>