1. (3 points) Calculate: $19 \times 0.125+281 \times \frac{1}{8}+12.5=$
【Analysis】Simplify the calculation according to the distributive law of multiplication.
【Solution】Solution: $19 \times 0.125+281 \times \frac{1}{8}+12.5$
$$
\begin{array}{l}
=19 \times 0.125+281 \times 0.125+100 \times 0.125 \\
=(19+281+100) \times 0.125 \\
=400 \times 0.125 \\
=50
\end{array}
$$

Therefore, the answer is: 50.