How many three-digit numbers can be formed using the five different numbers 0, 1, 2, 3, and 4 without repetition?
用0，1，2，3，4这五个不同的数字可以组成多少个没有重复的三位数？
<gadget id="calculator">4 * 4 * 3</gadget>
<output>48</output>

<result>48</result>