Y add -6.5600000000000005 div mul sub mul -24.700000000000003 x_5 add mul -0.765 x_0 mul 1.6300000000000001 x_3 x_1 sub mul -8.47 x_2 sub mul -0.246 exp add 0.35100000000000003 mul 0.193 x_8 mul -0.5730000000000001 div x_5 div exp add -0.644 mul -0.033 div x_4 x_6 x_7