Y add -0.20700000000000002 add mul 0.9550000000000001 mul sqrt add 76.80000000000001 mul 0.212 x_1 abs add -1.8800000000000001 mul -54.0 x_2 add sub mul -9.620000000000001 x_0 mul 7.91 mul x_2 x_1 mul 85.7 x_0