Y add 66.5 sub mul 82.4 x_1 sub sub sub mul 86.60000000000001 x_5 mul 29.700000000000003 x_6 mul -58.6 div div x_4 x_4 sub add sub mul -3.3200000000000003 x_7 mul -19.5 x_2 add mul -54.400000000000006 x_0 mul -6.58 x_3 mul 0.018000000000000002 x_4 mul -0.242 x_4