The equation of the line is given as:

$y = 11x + 8$

This is in the slope-intercept form, which is:

$y = mx + c$

where $m$ is the gradient (or slope) of the line, and $c$ is the y-intercept.

In your case, the gradient $m = 11$.

Thus, the gradient of the line is 11.

Would you like more details, or have any other questions