Y add 0.905 sub add mul 0.535 tan add -5.55 mul 0.052000000000000005 x_4 mul 98.0 pow3 add -5.49 mul 7.57 x_4 add mul 7.92 x_2 mul 0.891 mul x_3 mul pow3 add -75.7 mul 6.28 x_1 tan add 4.2700000000000005 mul 0.72 x_0