Y add 2.02 mul add mul -1.68 div x_6 x_2 sub mul -73.0 div inv add 43.900000000000006 mul -0.279 x_7 add mul 78.9 x_3 mul 0.975 x_8 mul -41.2 x_5 add add mul -0.681 exp add 4.9 mul -0.888 x_4 mul 0.733 x_1 mul 0.20500000000000002 x_0