The sum of three consecutive even numbers is 42, what is the largest of these three numbers?
三个连续偶数的和是42，这三个数中最大的数是多少？
<gadget id="calculator">42 / 3</gadget>
<output>14</output>

<gadget id="calculator">14 + 2</gadget>
<output>16</output>

<result>16</result>