Y add 3.7 sub sub mul -0.253 x_8 mul -0.34700000000000003 x_5 mul -0.965 div mul x_1 sub mul 0.321 div x_4 add mul 0.489 x_6 mul -7.61 x_2 mul -0.10300000000000001 pow2 sub mul -0.771 x_3 mul -25.700000000000003 x_7 x_0