Romanian currency is Leu (1€ = approximately 4.3 Lei). Prices differ from one part of Romania to another, but Galati is a very affordable place to live in.  Prices in supermarkets aren’t high, especially comparing to Bucharest. Moreover supermarkets or local stores where you can buy fresh baked bread are everywhere. You can also get traditional meals in Chinese, Italian or French restaurants.
Taxis are also cheap, with a regular fare of 1.39 lei/km. You can get almost everywhere for just 10 lei. Divide it between three-four people and pay even less. Tickets for bus, trolleybus or tram cost 1.5 Lei. Of course if you want to save some money, you can take a walk on the beautiful streets of the old town leading to your university.
Choosing accommodation can be easy for you. Price varies from one place to another, but it is possible to rent a nice double room apartment in the old part of the town just for 500 lei. By the way, old city is concentrated on the Danube riverside which is a very nice place to refresh yourself with traditional drinks and snacks or just take a walk on the promenade.
Banks and exchange offices can be found everywhere. As a rule, exchange rates will be better outside shopping malls. Be prepared to show your ID card as it is often demanded. In Galati you can find international banks such as BRD, Pireus Bank, Raiffaisen Bank, ING and also a lot of Romanian banks. MoneyGram and Western Union are in business almost everywhere.
As for shopping malls, there are enough of them. You can also find famous brands and souvenirs .

Just check it out yourself! 
A typical student budget for one month in Galati (€/month)  min max
Tuition fees 70 450
Study materials (books, chemicals etc.) 10 25
Rent 100 250
Food (incl. student restaurant) 50 150
Public transport 10 25
Summary 240 900