Y add 80.4 sub mul 47.5 cos sub mul -0.8200000000000001 x_2 sub mul 5.21 tan add 0.052000000000000005 mul 33.800000000000004 x_1 mul 0.806 pow2 add 0.40800000000000003 mul 2.58 x_3 mul 4.2700000000000005 abs add -77.30000000000001 mul 8.72 x_0