Y add 83.0 sub mul 79.5 mul x_2 x_2 mul -0.6890000000000001 div pow3 add 0.51 mul 0.963 mul tan add 0.587 mul -0.597 x_3 x_1 div div sin add 1.08 mul 9.47 x_0 pow3 add 21.900000000000002 mul 27.700000000000003 x_3 x_1