There are five natural numbers of 1, 2, 3, 4, and 5. Randomly select four numbers to form a four-digit number divisible by 11. How many of these four-digit numbers are there?
有1，2，3，4，5共五个自然数，任意选出四个数字组成一个能被11整除的四位数．问这些四位数共有多少个？
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<result>24</result>