Y add 70.60000000000001 div sub add mul -0.98 x_1 sub mul -2.22 x_3 sub mul -34.800000000000004 div add mul -0.218 exp add 7.99 mul 0.722 x_8 mul -4.34 x_7 inv add 4.63 mul 0.605 div x_4 x_0 sub sub mul 0.85 x_7 mul -0.10300000000000001 div tan add -0.23600000000000002 mul 0.043000000000000003 x_7 x_4 mul -0.44 inv add 2.8000000000000003 mul -0.704 x_5 mul 3.96 x_6 x_2