Y add -46.900000000000006 div div sub mul -0.457 x_7 mul 1.61 div x_6 x_4 x_2 sub add mul -2.89 x_1 sub mul -0.905 pow2 add 6.28 mul -0.926 x_5 mul 0.41300000000000003 x_8 sub mul 92.4 x_3 mul 0.7000000000000001 x_0