In Polish it's common to use "deko" (ang. deca) especially for weight of groceries. So it's perfectly normal to buy "20 deko sera" instead of "200 gram sera" (b

In Polish it's common to use "deko" (ang. deca) especially for weight of groceries. So it's perfectly normal to buy "20 deko sera" instead of "200 gram sera" (both means 200g of cheese)