Y add 0.8230000000000001 add mul -3.7 pow2 add -39.400000000000006 mul -0.632 x_0 mul 6.140000000000001 div exp add 3.6 mul 4.5 x_1 add sub mul -5.11 x_1 mul 0.273 x_1 mul -0.5710000000000001 mul x_1 x_0