Using 1, 2, 3, 0, 4 to form different three-digit numbers, how many different three-digit numbers can be formed in total?
用1，2，3，0，4组成不同的三位数，一共可以组成多少种不同三位数．
<gadget id="calculator">4 * 4 * 3</gadget>
<output>48</output>

<result>48</result>