Y add 0.17200000000000001 div x_0 add mul -45.7 x_8 mul -5.41 mul div x_5 sub mul -0.181 x_6 mul 77.60000000000001 div add add mul -29.400000000000002 x_7 mul -9.96 div x_1 x_3 mul -0.004 x_4 log add 68.4 mul 2.27 x_2 x_8