Y add -1.35 add mul 0.021 mul div inv sub mul -0.358 x_0 mul 17.900000000000002 x_3 sub mul 25.6 x_2 sub mul 7.5 x_2 mul -6.8500000000000005 mul x_1 add mul 67.10000000000001 x_3 mul -72.4 x_4 x_2 mul -2.02 x_1