The sum of three consecutive even numbers is 54 greater than the smallest even number. What is the largest of the three even numbers?
三个连续偶数的和，比其中最小的一个偶数大54，这三个偶数中最大的一个是多少．
<gadget id="calculator">54 - 2 - 2</gadget>
<output>50</output>

<gadget id="calculator">2 + 50</gadget>
<output>52</output>

<gadget id="calculator">1 - 1</gadget>
<output>0</output>

<gadget id="calculator">1 + 1 + 0</gadget>
<output>2</output>

<gadget id="calculator">52 / 2</gadget>
<output>26</output>

<gadget id="calculator">26 + 2</gadget>
<output>28</output>

<result>28</result>