Y add -7.61 add mul 0.463 div div mul abs add 81.2 mul 0.274 x_7 x_8 div sub mul -10.600000000000001 inv add 4.12 mul -16.900000000000002 x_4 mul 5.1000000000000005 mul div div x_3 x_6 div add mul -0.164 x_5 mul 24.200000000000003 cos add 2.02 mul 0.508 x_7 x_5 x_2 div x_1 x_6 x_3 mul 0.533 x_0