Y add 0.463 add sub mul 31.0 x_1 mul 0.8220000000000001 mul add mul 20.1 div div inv add 4.23 mul -8.98 x_2 mul sub mul -49.800000000000004 x_3 mul 4.7700000000000005 x_5 add mul 1.37 x_4 mul 8.06 x_3 tan add -19.700000000000003 mul 3.83 x_6 mul -2.59 x_5 x_0 mul 6.800000000000001 x_3