樂，學中文、教中文。/Enjoy learning &Teaching Chinese

多少錢duō shǎo qián ? means How much is it? If you want to ask in a polite way, please add 請問qǐng wèn  before the question. 請問多少錢 qǐng wèn duō shǎo qián may not be as low profile as "May I know the price of it?" intead it sounds like “Can you tell me the price of it?” or “ Please tell me how much it is.”

Review and practice. 3 items, if you want to buy a tablet, what will you say? 請問平板多少錢qǐng wèn píng bǎn duō shǎo qián ?If you’re interested in buying a desktop, how to ask in Chinese? 請問電腦多少錢qǐng wèn diàn nǎo duō shǎo qián ?

If you want to specify on a certain item, use 這個zhè ge this 那個nà ge that . For example, you want to know the price of this one. What do you say? Don’t forget to add “請問qǐng wèn ”before the question. If you want to know the price of that computer, what to say in Chinese? 

More examples, You want to know the price of this burger, not the one at left. What to say in Chinese? Don’t know the price of Coke? Because there’s no other choice, you can simply ask 請問可樂多少錢qǐng wèn kě lè duō shǎo qián ?

Want to buy some clothes? 衣服yī fú means clothes, and 件jiàn is the measure word for clothes. For example, 這件衣服很好看zhè jiàn yī fú hěn hǎo kān Means this clothes looks good. If you are interested in the red one over there, How to ask for price in Chinese?