Y add -66.8 add mul 0.606 x_1 add mul -75.7 x_1 sub mul -0.6900000000000001 mul tan add 89.80000000000001 mul 2.59 x_3 x_0 mul 0.176 div mul sub mul 2.85 x_4 add mul -16.1 x_6 mul 81.30000000000001 div x_2 x_5 x_1 mul x_4 x_4