One verse

Srimad Bhagavatam 3.11.41

3.11.41

दशोत्तराधिकैर्यत्र प्रविष्ट: परमाणुवत् । लक्ष्यतेऽन्तर्गताश्चान्ये कोटिशो ह्यण्डराशय: ॥ ४१ ॥

dasottaradhikair yatra pravistah paramanuvat laksyate ’ntar-gatas canye kotiso hy anda-rasayah

dasa-uttara-adhikaih
with ten times greater thickness
yatra
in which
pravistah
entered
parama-anu-vat
like atoms
laksyate
it (the mass of universes) appears
antah-gatah
come together
ca
and
anye
in the other
kotisah
clustered
hi
for
anda-rasayah
huge combination of universes.

The layers or elements covering the universes are each ten times thicker than the one before, and all the universes clustered together appear like atoms in a huge combination.