Y add -0.047 div x_3 add add add mul -0.804 inv add 0.402 mul 0.631 x_3 mul 1.43 mul exp add 3.68 mul 3.24 x_2 x_1 mul -0.23700000000000002 tan add 4.09 mul 41.7 x_0 mul 21.5 pow3 add -0.116 mul 0.47300000000000003 x_4