There is a decimal, first move its decimal point to the left by 2008, and then move it to the right by 2009, the result is 40.3, what is the original decimal.
有一个小数，先把它的小数点向左移动2008位后，再向右移动2009位，结果是40.3，原来的小数是多少．
<result>4.03</result>