Function: gradient[2](product(100 *(product(sum(numbers("xxx") if numbers('xry') > numbers("xxr") else numbers("yyy"), numbers('xry')), numbers("xxx") if numbers("xxr") > numbers('xry') else numbers("yyy"))), product(sum(numbers('xry') if numbers("xxr") > numbers("yyy") else numbers("xxx"), numbers('xry')), numbers('xry') if numbers("xxr") > numbers("yyy") else numbers("xxx"))))