Teacher Niu said: "Multiply my age by 2, subtract 16, divide by 2, add 8, and the result is exactly 35." Children, do you know how old Teacher Niu is this year?
牛老师说："我的年龄乘以2，减去16后，再除以2，加上8，结果恰好是35．"小朋友们，你知道牛老师今年多少岁吗？
<gadget id="calculator">35 - 8</gadget>
<output>27</output>

<gadget id="calculator">27 * 2</gadget>
<output>54</output>

<gadget id="calculator">54 + 16</gadget>
<output>70</output>

<gadget id="calculator">70 / 2</gadget>
<output>35</output>

<result>35</result>