Achim Home Furnishings 3'x6" Tivoli II Vinyl Floor Planks, Medium Oak, 10-Pack

so how many square feet would 10 pieces cover? I need help with the math.

3’ x 6"

3’ x (6" x 10) = 3’ x 60" = 3’ x 5’

15 sq ft

I think. Check my work.