Y add -0.25 sub mul -0.974 x_1 add sub sub mul -0.291 mul pow3 add 16.900000000000002 mul 1.8900000000000001 x_3 x_1 mul -0.488 x_2 sub mul -59.5 x_4 sub add mul 0.61 x_0 mul -31.900000000000002 x_2 mul 8.76 pow3 add -0.44 mul 7.21 x_0 mul 0.313 exp add -4.68 mul 3.34 x_4