There are 99 natural numbers greater than 1, and their sum is 300. If you subtract 2 from each of the 9 numbers and add 1 to the remaining 90 numbers, is the product of the resulting 99 numbers odd or even? Please explain why.
有99个大于1的自然数，它们的和为300，如果把其中9个数各减去2，其余90个数各加1，那么所得的99个数的乘积是奇数还是偶数？请说明理由．
<result>99</result>