Y add 9.700000000000001 div div div x_7 add mul -0.158 x_0 mul 2.43 x_2 sub sub mul 0.466 x_6 mul 1.67 x_3 add mul -55.7 x_6 mul -0.493 div x_6 add mul 0.23700000000000002 x_5 mul -98.4 x_4 pow2 add -2.2600000000000002 mul 9.76 x_1