Y add 4.58 div div add mul 86.80000000000001 x_2 sub mul -19.700000000000003 x_2 sub add mul 21.400000000000002 x_2 sub mul -0.908 mul x_0 x_1 mul -75.0 x_3 mul -7.2 x_4 x_4 abs add 2.2 mul -32.800000000000004 x_1