Use the 5 numbers from 0 to 4 to form a five-digit number with different digits. What is the sum of all such five-digit numbers?
用0至4这5个数字，组成各位数字互不相同的五位数，全体这样的五位数之和是多少．
<gadget id="calculator">2_500_000 + 180_000</gadget>
<output>2_680_000</output>

<result>2_680_000</result>