Y add -85.2 div sub add mul -19.200000000000003 div add mul 0.34400000000000003 x_2 sub mul 6.55 x_5 mul 53.900000000000006 x_0 sub mul 83.0 x_8 mul 0.768 x_8 add mul -4.1 sin add -0.53 mul 81.60000000000001 x_1 add mul -0.741 x_7 mul -9.89 x_4 mul 6.21 x_3 div x_6 x_1