Turn the decimal 0.987654321 into a recurring decimal, if the two points representing the recurring section are added to 7 and 1, what is the number at the 100th place of the recurring decimal.
把小数0.987654321变成循环小数，如果把表示循环节的两个点加在7和1上，则此循环小数第100位上的数字是多少．
<result>1</result>