Y add -0.196 sub mul 0.978 pow3 add mul 67.60000000000001 x_1 mul 7.78 x_1 add mul -9.75 x_0 add mul -1.93 pow2 add -17.400000000000002 mul 6.07 div inv add -0.632 mul 86.7 x_0 x_0 mul -32.800000000000004 x_1