Y add -0.678 div div mul div exp add -0.395 mul 0.584 x_8 add sub mul -3.52 div sub mul 88.60000000000001 div x_6 x_6 mul -0.863 x_2 x_4 sub mul -30.400000000000002 x_3 mul -62.5 exp add -6.7 mul 84.2 x_1 mul 0.485 cos add 48.5 mul -0.333 x_1 x_5 x_7 x_0