When doing an addition problem, Xiaohu regards the 6 in the ones place as 9, and the 3 in the tens place as 5. The result is 86. What is the correct answer?
做一道加法题时，小虎把个位上的6看作9，把十位上的3看作5，结果和是86，问正确答案应是多少？
<gadget id="calculator">9 - 6</gadget>
<output>3</output>

<gadget id="calculator">50 - 30</gadget>
<output>20</output>

<gadget id="calculator">86 - 3 - 20</gadget>
<output>63</output>

<result>63</result>