Y add -0.715 sub mul -9.36 div sub mul -0.41000000000000003 mul x_3 x_1 sub sub mul -7.78 x_1 mul 81.0 x_2 mul -0.797 inv add 50.5 mul 98.2 x_3 x_3 mul -0.485 tan sub mul 66.5 x_0 mul 0.7010000000000001 x_0