[lttoler]

I have a set of practice problems in my general chemistry class and I am hung up on this question:

The surface area and average depth of the Pacific ocean are 2.0 x 10^8 km^2 and 3.9 x 10^3 m respectively.  What is the volume of water in the ocean in litres?

I understand that Volume = surface area x depth, but I am having trouble understanding the steps in converting these 2 into Liters.

Can someone explain to me how I go about getting the answer to this?  

Thanks in advance!

[Schrödinger]

Hint :
1L  = 1000 cm³

[Hunter2]

Or better 1 l = 0.001 m³