Y add 0.18 sub mul -0.323 div x_1 sub sub mul 0.368 x_6 mul -0.277 x_8 add mul 98.2 div mul x_4 sub mul -4.74 x_5 mul -0.791 x_3 pow2 add -0.542 mul 7.140000000000001 x_2 mul 8.0 x_7 mul -0.11900000000000001 x_0