Y add 6.71 mul div x_4 add add mul -0.32 log add 6.6000000000000005 mul -0.9580000000000001 x_4 mul -8.06 div sub mul 0.491 x_0 mul 68.5 x_3 mul x_0 x_1 mul -0.41400000000000003 x_0 div div x_4 div x_7 sub mul 9.11 x_6 mul -3.19 x_2 x_5