Yes, there is a conversion fee and a withdrawal fee as well. Which broker will work without incurring fees?

I went to withdraw my profit of R$ 1,200 and paid a fee of R$ 3.5, at the time of confirmation it appeared that R$ 1,196.50 would be sent, I confirmed and when I went to see in my bank only R$ 1,190 arrived. Does anyone know how to explain what happened?