Y add 10.9 mul add sub mul 16.6 x_3 mul -10.600000000000001 x_5 add sub sub mul 8.16 x_4 mul -8.290000000000001 x_1 mul 17.3 mul x_3 x_6 mul -0.259 x_0 div add mul 0.781 div x_1 x_6 mul 21.400000000000002 x_4 x_2