my price become in doller not RMB

hello , how are u ?

I used a plugin to help me to extract the costing price for items after many Formula i make on factory price , which is i make rugles price

please check this photo to understand me https://ibb.co/R36sP7q
after this Formula my price become in doller not RMB

so please i need help to change ( money sign which is in output of your plugin price to be $ not rmb sign

how can i do that ? thanks so much