Y add -2.38 mul div x_3 pow2 add -0.841 mul 13.5 mul x_4 x_1 sub mul -3.33 x_2 mul -3.5 tan add -0.38 mul 9.870000000000001 div x_3 add mul 2.83 pow3 add -0.011 mul -0.42 x_3 mul 0.271 inv add 51.7 mul -9.41 x_0