Y add 64.90 sub mul -0.77 div x_5 div x_6 add mul 6.94 div add mul -0.05 cos add 0.90 mul 0.08 x_1 mul -17.60 exp add 0.97 mul 88.30 x_2 pow2 add 0.36 mul 2.68 x_3 add mul -0.13 div x_7 x_4 mul -0.71 pow3 add 16.60 mul 17.80 x_0 mul -0.56 x_8