Y add 2.58 div x_0 add mul 64.10000000000001 x_0 sub add mul 0.526 x_7 mul -55.800000000000004 x_1 sub mul 0.99 div div mul x_2 x_3 x_5 sub mul 0.609 x_6 sub mul -9.56 x_4 mul 0.775 x_5 mul 6.8100000000000005 x_5