A teacher said: "Add 4 to my current age, divide by 3, then subtract 14, and finally multiply by 25, which is exactly 100." How old is this teacher?
一位老师说："我现在的年龄加上4后除以3，再减去14，最后用25乘，正好是100．"这位老师今年几岁？
<gadget id="calculator">100 / 25</gadget>
<output>4</output>

<gadget id="calculator">4 + 14</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<gadget id="calculator">54 - 4</gadget>
<output>50</output>

<result>50</result>