There is a teacher whose age is multiplied by 2, subtracted 16, then divided by 2 and added 8, the result is exactly 38, how old is this teacher?
有一位老师的年龄乘以2，减去16后，再除以2加上8，结果恰好是38，这个老师今年多少岁．
<gadget id="calculator">38 - 8</gadget>
<output>30</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">60 + 16</gadget>
<output>76</output>

<gadget id="calculator">76 / 2</gadget>
<output>38</output>

<result>38</result>