Aggregate-function for sum and product in XPath

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爱一瞬间的悲伤 2021-01-21 05:03

Similar to this question (http://stackoverflow.com/q/1333558/948404) I want to use XPath to calculate a sum over products in a structure like this:


      
      
        
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                (楼主)
            
              
              
                2021-01-21 05:25
              

            
            
                        
Try this:


    
    
        
    


    
             
                                                        
            
            
              
                
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