Y add -0.34 div cos add -3.40 mul -90.20 x_3 add mul -0.71 x_1 add mul 89.20 div div add mul 82.10 exp add 7.23 mul -0.70 x_2 sub mul -0.72 x_2 mul 98.70 x_4 pow3 add -8.36 mul 3.61 x_2 x_3 mul -8.48 pow3 add -0.33 mul -0.49 mul x_1 x_0