are eighty percent of the items shown here also matte items?
return items  shown here ;return #1 that  are matte ;return number of  #1 ;return number of  #2 ;return the  division of #4 and #3 ;return #5 in percent ;return if  #6 is  eighty
['select', 'filter', 'aggregate', 'aggregate', 'arithmetic', 'filter', 'boolean']