Y add 0.742 div sub mul 81.5 x_1 mul 8.13 x_8 add sub mul -63.900000000000006 x_2 add sub mul 3.1 mul x_3 mul inv add 0.731 mul -3.65 x_6 x_4 mul 0.022 x_7 mul -4.18 x_0 mul 0.162 log add 97.2 mul -6.5600000000000005 x_5