merge existing if formula to convert cl to litres

I have a table where I convert packing drinks from ml to litres , if it is in litres , then It remains same .

But I have now ,french system which in cl , how convert the cl to litres and merge them with the actual formula from column D to G.

the packing is split in various columns from D to G

e.g 6*5*1L is split to their respective header columns 6 5 1