French phrase
Combien pour ~ si j'en prends ~ ?
Meaning
How much for ___ if I take ___?
When to use it
Asks the price for a specified quantity. Common in shops when checking a total or unit price.
Example dialogue
Combien pour cette bouteille si j'en prends deux ?
How much for this bottle if I take two?
Ça fera trois euros.
That'll be three euros.