SB 10.63.18

dhanūṁṣy ākṛṣya yugapad
 bāṇaḥ pañca-śatāni vai
ekaikasmin śarau dvau dvau
 sandadhe raṇa-durmadaḥ
Word for word: 
dhanūṁṣi — bows; ākṛṣya — pulling back; yugapat — simultaneously; bāṇaḥ — Bāṇa; pañca-śatāni — five hundred; vai — indeed; eka-ekasmin — upon each one; śarau — arrows; dvau dvau — two for each; sandadhe — he fixed; raṇa — due to the fighting; durmadaḥ — mad with pride.
Translation: 
Excited to a frenzy by the fighting, Bāṇa simultaneously pulled taut all the strings of his five hundred bows and fixed two arrows on each string.