Y add 0.03 sub add mul 5.7700000000000005 x_1 sub sub mul -26.6 div mul x_4 x_6 x_7 mul -68.10000000000001 div add mul -6.83 x_3 add mul 0.8180000000000001 x_2 mul -8.32 x_4 x_7 mul -15.3 x_1 sub mul -6.6000000000000005 x_5 mul 2.8000000000000003 div exp add 5.3 mul -8.43 x_4 x_0