When doing an addition math problem, he accidentally mistook adding 3 as subtracting 3, and the result was 16. What is the correct result?
明明在做一道加法数学题时，不小心把加3看成了减3，得到的结果是16．请问正确的结果是多少？
<gadget id="calculator">16 + 3 + 3</gadget>
<output>22</output>

<result>22</result>