3,240 yuan. According to relevant public information, the profit of the wedding is about 60%, and the profit of the 5400 wedding is 5400*60%=3240 yuan. Wedding, specifically, refers to wedding celebration planning. Wedding planning refers to the wedding tailored for guests, covering various wedding forms or a combination of various wedding forms. It is a wedding tailored for each couple according to their different hobbies, pursuits or demands.