Write the next number according to the rules of the previous numbers, 0, 3, 8, 15, 24, how many.
根据前几个数的规律写出下一个数，0、3、8、15、24、多少．
<gadget id="calculator">9 + 2</gadget>
<output>11</output>

<gadget id="calculator">24 + 11</gadget>
<output>35</output>

<result>35</result>