Find out the law of the following sequence of numbers, and fill in the appropriate number in the horizontal line according to the law: 26, 6, 20, 8, 14, 10, 8, 12, how much, 14.
找出下列个数列的规律，并按其规律在横线内填上合适的数：26，6，20，8，14，10，8，12，多少，14．
<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<result>2</result>