The sum of nine consecutive odd numbers is 2007, what is the smallest number among these nine odd numbers?
有九个连续奇数的和是2007，这九个奇数中最小的数是多少．
<gadget id="calculator">2_007 / 9</gadget>
<output>223</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">223 - 8</gadget>
<output>215</output>

<result>215</result>