Y add -20.400000000000002 mul inv add 0.448 mul -83.10000000000001 x_3 mul x_5 mul x_0 sub mul -3.79 x_1 mul 81.0 mul sub mul 3.7600000000000002 abs add 68.0 mul -0.899 x_2 mul 0.768 sqrt add 4.64 mul 0.225 x_4 x_6