Y add 84.0 div div x_4 sub mul 2.11 tan add 5.3100000000000005 mul 0.523 div x_7 exp add -5.9 mul 5.46 x_0 mul -0.528 mul x_6 x_2 mul abs add -58.300000000000004 mul 6.99 div x_3 sub mul 0.2 x_5 mul 0.218 x_1 x_8