Let's chant.
How much, how much,how much is this shirt?Fifty, fifty, It's fifty Yuan.

Let's chant.
How much, how much,how much is this shirt?One hundred, one hundred,It's one hundred Yuan.How much, how much,how much are they?Fifty-eight, fifty-eight,They're fifty-eight Yuan.

Pair work（同桌对话)---How much are the..?---They are. Yuan.