Y add -66.4 sub mul 55.2 div div sub mul 0.083 x_6 mul -72.4 x_3 div x_5 div x_2 sub mul 0.7030000000000001 x_1 mul 0.38 x_4 x_0 add mul 25.200000000000003 cos add -0.38 mul -9.83 x_2 mul -3.9 log add 8.16 mul 0.443 x_0