Y add 67.9 sub sub mul 0.778 x_7 mul -5.5 x_0 add mul -50.900000000000006 div sub mul 0.608 x_1 mul 0.28200000000000003 x_6 sub mul -81.9 cos add -0.152 mul 78.7 x_8 mul 0.11800000000000001 div div x_5 x_2 x_3 mul 5.21 x_4