In an addition formula, two addends are added to their sum, and the result is equal to 22. It is known that one addend is 8 and the other addend is.
在一个加法算式中，两个加数与它们的和相加，结果等于22，已知一个加数是8，另一个加数是多少．
<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<result>3</result>