Y add 72.0 mul mul div mul sub mul -81.30000000000001 div x_0 add mul -0.062 x_1 mul -3.8000000000000003 x_4 sub add mul 55.900000000000006 x_6 add mul 89.0 x_6 mul -0.509 x_5 mul 4.73 x_2 x_3 x_3 x_1 x_5