Y add 1.67 add mul 0.786 mul sub mul -0.21 x_5 mul 7.98 mul sub add mul 68.3 div exp sub mul 85.80000000000001 x_4 mul -48.7 x_0 abs add 4.8100000000000005 mul -0.5750000000000001 x_3 mul -30.400000000000002 x_2 mul -67.2 x_4 x_6 x_2 mul -0.435 x_1