Y add -0.977 mul add mul 0.161 div div add mul -12.8 exp add -0.5730000000000001 mul 8.03 x_2 add mul 77.7 x_4 mul -20.8 x_3 x_6 x_3 mul 0.184 x_0 add add mul -0.20800000000000002 x_5 mul -8.700000000000001 div x_6 x_1 mul 0.985 x_1