1. (6 points) Today is January 31, 2015, welcome to the 2015 "Spring Cup" Final. The calculation result of the expression $\frac{\frac{2015}{1}+\frac{2015}{0.31}}{1+0.31}$ is
【Solution】Solve: $\frac{\frac{2015}{1}+\frac{2015}{0.31}}{1+0.31}$
$$
\begin{array}{l}
=\frac{\left(\frac{2015}{1}+\frac{2015}{0.31}\right) \times 0.31}{(1+0.31) \times 0.31} \\
=\frac{(1+0.31) \times 2015}{(1+0.31) \times 0.31} \\
=6500 ;
\end{array}
$$

Therefore, the answer is: 6500.