Among the 20 numbers from 1-20, what is the smallest sum of odd, even, composite and prime numbers
在1-20这20个数中，最小的奇数、偶数、合数、质数的和是多少
<gadget id="calculator">1 + 2 + 4 + 2</gadget>
<output>9</output>

<result>9</result>