113
              85
           x 1 =
                
      113
              85
            
                
      80
              0
           x 1 =
                
      80
              0
            
                
      50
              99
           x 1 =
                
      50
              99
            
                
      50
              50
           x 1 =
                
      50
              50
            
                
      50
              0
           x 1 =
                
      50
              0