Y add 8.08 mul x_4 mul add mul 0.906 x_0 sub mul 7.8 div sub mul 0.23900000000000002 mul x_3 x_2 mul 57.6 x_1 tan add -88.7 mul 2.58 x_3 mul -0.5670000000000001 x_3 tan add -5.1000000000000005 mul -89.7 x_2