Y add -0.043000000000000003 add add sub mul 0.647 x_4 add sub mul -2.5 x_0 mul -0.554 x_3 mul -0.445 pow2 sub mul -0.365 tan add mul 4.87 x_2 mul 66.10000000000001 x_1 mul 2.1 x_4 mul 2.29 x_2 mul 0.806 x_1