Y add 0.227 sub mul -43.7 x_1 sub mul 3.87 x_4 add mul 90.30000000000001 tan add -0.86 mul -0.8150000000000001 x_6 sub mul -14.9 x_8 mul 37.4 div x_7 div mul tan add 6.61 mul -1.94 mul x_2 x_5 x_0 x_3