Y add -72.0 add mul -2.66 mul x_8 div x_6 div add mul -11.700000000000001 x_2 mul 8.25 x_0 abs sub mul -4.4 x_7 mul 3.9000000000000004 x_4 mul 22.400000000000002 inv sub mul 5.47 x_1 sub mul -21.900000000000002 x_3 mul 53.400000000000006 x_5