Choose four numbers from the five numbers 0, 2, 4, 6, and 9, how many four-digit numbers can be formed that are divisible by 2, 3, and 5 at the same time.
从0、2、4、6、9这五个数中选四个，可组成多少个能同时被2、3、5整除的四位数．
<gadget id="calculator">2 + 4 + 6 + 0</gadget>
<output>12</output>

<result>12</result>