Y add 6.800000000000001 mul mul div x_6 div div mul x_0 sub mul 6.7 x_5 mul -0.917 x_4 x_2 x_1 x_8 div sub mul 54.400000000000006 x_8 mul 0.981 div x_3 tan add 0.855 mul -92.60000000000001 x_7 mul x_2 x_9