Y add 79.60000000000001 div add add mul -87.7 div mul div x_9 sub mul 0.231 x_7 add mul -15.600000000000001 x_2 sub mul -0.6950000000000001 x_1 mul 0.43 x_3 x_4 x_8 mul -2.5500000000000003 x_5 mul 82.60000000000001 x_6 x_0