1. (8 points) The calculation result of the expression $2015 \times\left(\frac{1}{13}+\frac{1}{31}\right)$ is
1. (8 points) The calculation result of the expression $2015 \times\left(\frac{1}{13}+\frac{1}{31}\right)$ is $\qquad$ 220 .

【Solution】Solution: $2015 \times\left(\frac{1}{13}+\frac{1}{31}\right)$
$$
\begin{array}{l}
=2015 \times \frac{1}{13}+\frac{1}{31} \times 2015 \\
=155+65 \\
=220
\end{array}
$$

Therefore, the answer is: 220 .