Y add 2.18 sub mul 0.38 x_7 sub mul 6.48 x_3 mul -6.7700000000000005 div div x_2 x_5 add mul 8.61 mul x_0 add mul 1.3800000000000001 mul pow2 add 6.25 mul 6.33 x_6 x_8 mul -0.392 x_4 mul 0.852 abs add -3.4 mul 0.228 x_1