Y add -68.10000000000001 mul div x_8 sub mul 0.247 x_7 add add mul 7.4 x_3 add add mul 85.9 x_4 mul -25.5 div mul div x_1 x_0 x_1 x_3 mul 0.439 mul x_6 exp add -0.35000000000000003 mul 48.400000000000006 x_5 mul -8.3 x_6 x_2