Function: sum(sum(sqrt(gradient[1](product(numbers("xxy"), numbers('yxy')))) if numbers("xxy") > gradient[1](product(numbers("xxy"), numbers('yxy'))) else product(numbers("xxy"), numbers('yxy')), sqrt(gradient[1](product(numbers("xxy"), numbers('yxy'))))), product(numbers("xxy"), numbers('yxy')) if gradient[1](product(numbers("xxy"), numbers('yxy'))) > sqrt(gradient[1](product(numbers("xxy"), numbers('yxy')))) else numbers("xxy"))
