What is the difference between the largest and the smallest of the four-digit numbers composed of 3, 2, 6, and 0
用3、2、6、0四个数字组成的四位数中，最大的与最小的差是多少
<gadget id="calculator">6_320 - 2_036</gadget>
<output>4_284</output>

<result>4_284</result>