Y add -4.6000000000000005 div div pow2 add 83.7 mul 80.7 x_5 sub mul 7.640000000000001 x_1 sub mul -28.900000000000002 x_0 sub mul -46.5 cos add -88.7 mul -8.32 x_6 sub mul -0.242 x_2 mul 4.8100000000000005 x_4 sub mul 74.0 x_7 mul 0.22 x_3