How many square feet are in 3/5 x 6 x 10 ?
is it 36?
Hard to tell, since you have no units on 3/5 x 6 x 10.
Furthermore, since you have 3 multipliers, it suggests 3 dimensions and we would be talking cubic units, not square units.
Nevertheless, 3/5 x 6 x 10 = 36