The answers you are looking for are 80 flowers and 640 petals.
To find the number of flowers, you simply multiply the number of baskets (16) by the number of flowers in each basket (5). Thus getting 80.
Now, to find the number of petals, you multiply 80 by the number of petals of each flower (8). Doing so gives you an answer of 640.
Thus meaning there are 80 flowers and 640 petals total. I hope this helps!