I used the MNIST dataset. The values are between 0 and 255 (included).
the predicted values have such values (a snippet)
    0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00,
    5.4309e-15, 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00,
    0.0000e+00, 7.7825e-17, 1.0000e+00, 1.0000e+00, 1.0000e+00, 1.0000e+00,
    1.0000e+00, 1.0000e+00, 1.0000e+00, 1.0000e+00, 1.0000e+00, 1.0000e+00,
    1.0000e+00, 1.0000e+00, 1.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00,
    0.0000e+00, 2.2867e-38, 1.7363e-37, 9.8193e-22, 9.3205e-27, 0.0000e+00,