Y add 30.1 div div mul x_0 add mul 4.65 x_6 mul 0.79 div pow3 add -0.579 mul -0.147 x_2 mul div tan add 53.300000000000004 mul 99.80000000000001 x_3 div div x_4 div x_7 x_5 sub mul 2.5500000000000003 x_1 mul 0.754 x_8 x_3 x_4 x_2