Y add 9.1 add sub mul -0.8230000000000001 x_3 mul -0.578 x_3 sub mul -0.048 x_4 sub mul 4.21 div add mul -3.58 pow2 add 52.800000000000004 mul -0.343 x_0 mul 28.900000000000002 div x_0 pow2 add 0.632 mul -43.0 x_4 x_1 mul 2.11 x_2