Among the three-digit numbers composed of the five numbers 1, 2, 3, 4, and 5, the sum of each digit is an odd number.
有1、2、3、4、5这五个数字组成各位数字不重复的三位数中，各位数字的和是奇数的有多少个．
<gadget id="calculator">6 + 18</gadget>
<output>24</output>

<result>24</result>