The ages of Xiaodong, Xiaohua and Chaochao happen to be three consecutive even numbers. Their combined ages are known to be 42, how old is the oldest of them?
小东、小华和超超，他们的年龄正好是三个连续偶数．已知他们的年龄总和是42岁，他们中最大的是几岁？
<gadget id="calculator">42 / 3</gadget>
<output>14</output>

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

<result>16</result>