Y add 6.51 div sub sub mul -7.12 div x_4 inv add -4.3 mul -0.356 x_0 mul -85.80000000000001 inv add -87.9 mul -11.8 div pow2 add 1.69 mul -1.52 x_2 x_1 mul -44.900000000000006 abs add -5.09 mul -0.37 x_3 mul x_1 x_3