Y add -0.128 add mul -50.800000000000004 x_0 mul -8.66 mul add add mul 4.48 x_1 mul 0.22 x_4 mul 8.75 exp add -18.5 mul -0.256 x_0 sub mul 0.581 x_0 add mul -0.714 log add 1.8800000000000001 mul 0.61 x_3 mul 0.56 x_2