Function: minus(divide(divide(sum(numbers("xyx") if numbers('yxr') > numbers('epe') else numbers("xyx"), numbers("xyx")), numbers('yxr') if numbers("xyx") > numbers('epe') else numbers("xyx")), sum(numbers('epe') if numbers("xyx") > numbers('yxr') else numbers("xyx"), numbers("xyx"))), divide(sum(numbers('yxr') if numbers("xyx") > numbers('epe') else numbers("xyx"), numbers("xyx")), numbers('yxr') if numbers('epe') > numbers("xyx") else numbers("xyx")))