Y add 20.700000000000003 mul div add sub mul 45.300000000000004 div div x_3 mul x_0 add mul 0.465 x_2 mul -86.0 x_4 x_7 sub mul -3.6 x_0 mul -56.400000000000006 exp add 8.1 mul -18.8 x_1 mul 6.2700000000000005 div x_6 add mul -84.30000000000001 x_8 mul -2.65 x_5 x_3 x_7