the average value of tagged objects

[2MAX]

groups = {
  { tag = 'my_group_and', output = '4/0/0', mode = 'and' },
  { tag = 'my_group_or', output = '4/0/1', mode = 'or' },
  { tag = 'my_group_avg', output = '4/0/2', mode = 'avg' },
 
  { tag = 'new_group_and', output = '4/0/20', mode = 'and' },
  { tag = 'new_group_or', output = '4/0/21', mode = 'or' },
  { tag = 'new_group_avg', output = '4/0/22', mode = 'avg' },
}

Hello, I don´t understand how to create OR  group of few inputs to one output.
Can you help please?