Y add -66.8 div div x_1 sub mul -75.60000000000001 mul sub mul -0.227 cos add 0.177 mul -0.672 x_2 mul 7.930000000000001 div x_7 x_7 add mul -3.0300000000000002 x_1 sub mul -0.986 mul abs add -4.6000000000000005 mul -1.11 x_4 div add mul 0.84 x_5 mul 3.85 x_3 div add mul 0.7000000000000001 x_1 mul 15.8 exp add 0.79 mul -0.91 x_7 x_6 mul -8.15 x_0 mul 0.531 x_8 x_9