Y add 0.153 sub sub mul -1.71 x_0 add sub sub mul 0.757 x_7 mul 5.67 x_7 sub mul 9.450000000000001 x_4 mul 79.60000000000001 x_0 mul 50.5 x_2 add add mul -28.5 mul x_3 x_5 mul -0.982 x_6 mul -7.890000000000001 div x_1 sqrt add 55.5 mul -0.686 x_5