Y add -31.0 div add mul -66.5 exp add -0.12 mul 47.300000000000004 x_3 mul 78.2 x_0 sub mul 9.5 x_8 mul 3.87 div x_0 sub mul -5.4 x_4 add mul -7.6000000000000005 div x_2 add mul -4.22 mul exp add mul -0.856 x_5 mul -0.537 x_6 x_1 mul -26.900000000000002 x_1 mul -0.889 x_7