Y add -6.7 add mul -8.52 x_7 mul -7.75 div sub mul 9.950000000000001 div log add -9.76 mul 69.60000000000001 div x_5 x_5 x_3 mul 0.837 div sub mul 7.32 mul mul x_4 abs sub mul 3.17 x_2 add mul -42.2 x_1 mul 0.5730000000000001 pow3 add -9.28 mul 0.022 x_6 x_1 mul 13.0 pow2 add -0.92 mul 0.10200000000000001 x_8 x_8 x_0