How many more dollars was the median income for males working full time year round then the medium income of females?
return males ;return females ;return #1 that are working full time year round ;return #2 that are working full time year round ;return the  median income  in  dollars of #3 ;return the  median income  in  dollars of #4 ;return the  difference of #5 and  #6
['select', 'select', 'filter', 'filter', 'project', 'project', 'arithmetic']