8. $[a]$ represents the integer part of $a$, for example: [1.5]=1, [2]=2.
Calculate: $\left[\frac{17 \times 1}{23}\right]+\left[\frac{17 \times 2}{23}\right]+\cdots \cdots+\left[\frac{17 \times 67}{23}\right]+\left[\frac{17 \times 68}{23}\right]=$
$1701$