Y add -0.421 sub mul -96.10000000000001 mul div add mul 1.08 x_4 mul 67.60000000000001 x_3 pow3 add -30.8 mul 0.018000000000000002 x_0 add mul -8.120000000000001 x_2 mul -71.9 x_6 mul -1.6600000000000001 div x_5 x_1