1. (6 points) Calculate $10.37 \times 3.4 + 1.7 \times 19.26=$
【Solution】Solve: $10.37 \times 3.4+1.7 \times 19.26$
$$
\begin{array}{l}
=10.37 \times 3.4+3.4 \times 9.63, \\
=(10.37+9.63) \times 3.4, \\
=20 \times 3.4, \\
=68 .
\end{array}
$$

Therefore, the answer is: 68.