Among the five numbers 0, 2, 5, 7, and 9, select four non-repeating numbers to form a four-digit number divisible by 3. What is the difference between the largest and the smallest four-digit number?
在0、2、5、7、9五个数字中，选出四个不重复的数字组成一个能被3整除的四位数，其中最大的与最小的四位数的差是多少．
<gadget id="calculator">9_750 - 2_079</gadget>
<output>7_671</output>

<result>7_671</result>