Y add 0.276 add mul -20.1 mul x_0 add mul 1.62 div tan add 0.8200000000000001 mul -0.116 x_1 add mul -63.5 x_3 mul -68.2 exp sub mul -8.78 x_3 mul -78.7 x_1 mul -80.4 cos add -0.458 mul -0.937 x_1 mul -0.92 exp add -3.77 mul -0.843 x_2