Use 0, 5, 3, 6 to form a three-digit number with no repeated digits and the ones digit is 0, how many can be formed.
用0、5、3、6四个数字组成没有重复数字个位是0的三位数，可以组成多少个．
<gadget id="calculator">3 * 1 * 2</gadget>
<output>6</output>

<result>6</result>