Y add 21.5 add mul -0.506 exp add -89.7 mul 36.300000000000004 x_0 mul -0.28500000000000003 mul add mul -0.672 div pow3 add -7.55 mul -1.83 x_1 exp add mul -8.03 x_6 mul -7.88 x_2 mul -44.400000000000006 pow3 add 0.404 mul -0.3 x_4 add mul 0.05 x_5 mul 3.08 x_3