Y add 0.721 mul div div sub mul 9.08 mul inv add 44.5 mul 9.94 x_1 x_4 mul 83.10000000000001 inv add 0.646 mul -7.6000000000000005 x_5 sub mul -3.63 x_2 sub mul 5.32 div exp add -0.295 mul -6.38 x_3 x_7 mul 92.7 x_8 x_6 abs add 0.135 mul 0.045 x_0