Y add 15.100000000000001 div sub add mul 6.5200000000000005 div pow3 add -0.21 mul -0.552 x_4 sub mul 89.80000000000001 pow2 add -5.45 mul 39.7 x_3 mul 4.44 div x_1 cos add mul -0.8230000000000001 x_1 mul 8.55 x_3 mul 64.5 x_4 mul 89.60000000000001 div x_5 x_2 x_0