Y add 67.9 mul div sub mul 43.400000000000006 div add mul 0.004 div x_6 sub mul -75.4 x_3 mul -8.96 x_7 mul 0.11800000000000001 x_5 pow3 add -9.49 mul 0.521 x_5 add mul -7.0600000000000005 x_2 mul 79.7 x_4 cos add -0.494 mul -8.32 x_1 add mul -52.900000000000006 x_0 mul -0.682 x_1