Every Stop on a Padded Sweep

A single-channel $30 \times 30$ feature map is swept by one filter with these settings:

setting	value
kernel	$5 \times 5$
padding	$2$ (a two-pixel border of zeros on every side)
stride	$4$

As always, the window only stops where it fits completely inside the padded grid.

How many numbers are in the output map?

Give the exact integer.