Y add -0.369 mul sub add mul -1.86 x_2 mul 5.7 exp add mul -0.457 x_4 mul 0.6890000000000001 x_0 mul -5.5600000000000005 div x_5 x_8 div x_0 add mul -5.2700000000000005 x_3 add mul -33.6 x_6 sub mul 3.49 x_7 mul 63.300000000000004 x_1