Y add -0.8260000000000001 sub sub mul -0.764 div x_3 div sub mul 9.77 x_2 add mul -64.60000000000001 abs add -76.0 mul -0.031 x_3 mul 53.2 x_4 x_3 mul -40.5 div pow2 add mul -0.058 x_3 mul -0.778 pow3 add -14.100000000000001 mul 0.33 x_4 x_0 mul -1.95 x_1