Y add 77.80000000000001 sub mul 1.6 div div exp add -0.5690000000000001 mul -97.80000000000001 x_4 div sub mul 62.2 x_6 mul -6.33 x_5 add sub mul 94.10000000000001 div add mul -0.725 x_7 mul -8.91 x_8 x_3 mul 42.0 x_2 mul 56.0 x_8 x_6 sub mul 31.3 x_0 mul -0.302 div x_1 x_7