It is known that there are 7 consecutive even numbers, the largest number is 3 times the smallest number, what is the smallest number?
已知，7个连续偶数，其中最大的数是最小的数的3倍，求最小的数是多少？
<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<result>6</result>