Among the 2008 numbers of 1, 2, 3, 4, 5, ..., 2007, 2008, for the first time, the numbers on the odd digits are crossed from left to right; Strike off the number on the odd number to the right; if this continues, there will be one number left at the end, what is this number.
在1，2，3，4，5，…，2007，2008这2008个数中，第一次从左向右划去奇数位上的数；第二次在剩下的数中，再从左向右划去奇数位上的数；如此继续下去，最后剩下一个数，这个数是多少．
<gadget id="calculator">2 ** 10</gadget>
<output>1_024</output>

<result>1_024</result>