Y add -6.16 div x_3 add add mul -0.222 sqrt add 88.10000000000001 mul 12.8 x_4 mul 0.47300000000000003 x_2 mul 0.052000000000000005 div inv add mul 9.0 x_0 mul 71.10000000000001 exp sub mul -3.75 x_1 mul 0.231 x_6 x_5