When a student was doing an addition problem, he first mistook the 5 in the ones digit of a number as 9, and then mistook the 8 in the tens digit of a number as 3, and got the wrong "and" 123. What is the correct "and".
某学生在做一道加法式题时，先错把一个数的个位上的5看作9，接着又错把一个数的十位上的8看作3，结果得到错误的"和"123．正确的"和"是多少．
<gadget id="calculator">85 - 39</gadget>
<output>46</output>

<gadget id="calculator">123 + 46</gadget>
<output>169</output>

<result>169</result>