Y add 76.80000000000001 div add mul -50.800000000000004 mul x_0 sub mul -3.8000000000000003 div x_3 x_4 sub mul -0.47000000000000003 x_1 mul -0.17400000000000002 div x_7 x_2 mul 4.37 x_4 sub mul 54.300000000000004 div inv add -64.0 mul 9.78 x_1 x_6 mul 9.16 x_5