Y add -0.42 div x_7 mul div sub mul -8.65 x_4 add mul -0.448 div x_3 div add mul 2.79 x_1 mul -0.667 x_0 cos add 97.0 mul 87.30000000000001 x_5 sub mul 0.406 x_7 mul -65.60000000000001 x_6 x_4 sub mul -43.2 x_1 sub mul 66.0 x_2 mul -4.96 pow3 add -0.6890000000000001 mul -2.07 x_3