Y add -8.41 sub mul 2.2 x_5 mul -40.1 mul add sub add mul -26.400000000000002 mul sub mul -47.900000000000006 x_7 mul -1.1400000000000001 x_3 x_6 add mul 27.5 x_1 mul -0.886 x_1 mul 0.54 x_0 add mul 0.34500000000000003 x_3 mul 82.5 x_2 add mul -0.454 x_7 mul -0.7000000000000001 x_4