Function: divide(minus(numbers("per") if product(numbers('yxr'), numbers('ryy')) > numbers('ryy') else numbers('yxr'), product(numbers('yxr'), numbers('ryy'))), numbers("per") if numbers('ryy') > product(numbers('yxr'), numbers('ryy')) else numbers('yxr')) if numbers('ryy') if numbers("per") > numbers('yxr') else product(numbers('yxr'), numbers('ryy')) if divide(minus(product(numbers('yxr'), numbers('ryy')) if numbers("per") > numbers('ryy') else numbers('yxr'), product(numbers('yxr'), numbers('ryy'))), product(numbers('yxr'), numbers('ryy')) if numbers("per") > numbers('yxr') else numbers('ryy')) > product(numbers('yxr'), numbers('ryy')) else minus(product(numbers('yxr'), numbers('ryy')) if numbers("per") > numbers('yxr') else numbers('ryy'), product(numbers('yxr'), numbers('ryy'))) > numbers("per") if numbers('ryy') > product(numbers('yxr'), numbers('ryy')) else numbers('yxr') else minus(numbers('ryy') if numbers("per") > product(numbers('yxr'), numbers('ryy')) else numbers('yxr'), product(numbers('yxr'), numbers('ryy')))