When doing an addition problem, Xiaogang regarded the 6 in the ones place as 0, and the 5 in the tens place as 3, and the result was 63. What is the correct answer?
做一道加法题时小刚把个位上的6看作0，把十位上的5看作3，结果和是63．正确的答案是多少？
<gadget id="calculator">6 - 0</gadget>
<output>6</output>

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

<gadget id="calculator">63 + 6 + 20</gadget>
<output>89</output>

<result>89</result>