It is known that there are 6 consecutive even numbers, and the largest even number is 6 times the smallest even number, what is the sum of these even numbers?
已知有6个连续的偶数，其中最大偶数是最小偶数的6倍，则这若干个偶数的和是多少．
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">12 + 2</gadget>
<output>14</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">14 * 3</gadget>
<output>42</output>

<result>42</result>