For a four-digit number composed of 3, 5, 0, and 4, what is the difference between the largest number and the smallest number?
用3、5、0、4组成的四位数，其中最大的数与最小的数的差是多少．
<gadget id="calculator">5_430 - 3_045</gadget>
<output>2_385</output>

<result>2_385</result>