See Dipa ma, demonstrating levitation, walking through walls, cloning herself and appearing in multiple places. That’s the kāya/rupa/body being referred to by the formula you reference. Touching the sun and the moon and visiting the brahma realm is part of the general practice of levitation. It’s not good to cherry pick and quote out of context, it’s important to understand the general principle and see how applicable it is.
And there’s also this, which makes a clear distinction between body and mind in levitation.