8. (6 points) Aunt Zhang and Aunt Li have the same monthly salary. Aunt Zhang deposits 30% of her salary into the bank each month, and the rest is used for daily expenses. Aunt Li's monthly daily expenses are 10% more than Aunt Zhang's, and the remaining money is also deposited into the bank. After one year, Aunt Li found that the total amount she deposited into the bank over 12 months was 5880 yuan less than Aunt Zhang's. What is Aunt Li's monthly salary? $\qquad$
8. (6 points) Aunt Zhang and Aunt Li have the same monthly salary. Aunt Zhang deposits 30% of her salary into the bank each month, and the rest is used for daily expenses. Aunt Li's daily expenses are 10% more than Aunt Zhang's, and the remaining money is also deposited into the bank. After a year, Aunt Li found that the total amount she deposited into the bank over 12 months was 5880 yuan less than Aunt Zhang's. Therefore, Aunt Li's monthly salary is $\qquad$ 7000 yuan.

【Solution】Solution: $(1-30 \%) \times(1+10 \%)$
$$
\begin{array}{l}
=70 \% \times 110 \%, \\
=77 \% ; \\
5880 \div 12 \div[30 \%-(1-77 \%)] \\
=490 \div[30 \%-23 \%], \\
=490 \div 7 \%, \\
=7000 \text { (yuan). }
\end{array}
$$

Therefore, Aunt Li's monthly salary is 7000 yuan.
The answer is: 7000.