Y add -1.18 add mul 0.894 x_0 mul -43.900000000000006 div x_4 div mul sub mul -8.38 div x_1 tan sub mul 54.5 x_1 mul 0.85 x_2 mul 65.9 pow2 add 50.400000000000006 mul 0.499 x_0 abs add 8.13 mul -0.6940000000000001 x_3 x_3