Y add -7.79 sub sub sub add mul -0.593 mul x_4 x_6 mul -87.60000000000001 mul div x_3 x_1 log add 4.04 mul -0.8130000000000001 x_5 mul 1.41 abs add 0.898 mul -0.783 x_8 mul -58.300000000000004 mul x_2 x_7 mul -31.700000000000003 x_0