Y add 1.99 sub sub mul 5.8500000000000005 mul add add mul -9.25 x_6 mul -6.55 x_3 mul -0.178 x_2 div mul sub mul 66.10000000000001 x_1 mul 0.247 x_5 x_4 x_7 sub mul 4.95 x_0 mul -3.83 x_6 add mul -41.900000000000006 x_7 mul 9.44 x_1