Xiao Ming calculates the addition of two numbers, and mistakenly regards the addend 15 as 51, and the result is 77. What should be the correct result?
小明计算两个数相加，错把加数15看成了51，结果得77，正确结果应该是多少
<gadget id="calculator">77 - 51</gadget>
<output>26</output>

<gadget id="calculator">26 + 15</gadget>
<output>41</output>

<result>41</result>