Y add 6.8500000000000005 mul mul div x_3 div add mul 0.667 x_2 mul -43.400000000000006 x_8 add mul 57.7 mul mul add mul 0.9590000000000001 mul mul x_4 x_5 x_8 mul 13.200000000000001 x_1 x_8 x_0 mul 34.5 x_4 x_6 x_7