Valmiki Ramayana Aranya Kanda Sarga 71 Shloka 13
Original Shlokaएवमुक्तस्तु मे शक्रो बाहू योजनमायतौ।।3.71.13।। प्रादादास्यं च मे कुक्षौ तीक्ष्णदंष्ट्रमकल्पयत्।
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एवम् in that way, उक्तः having been entreated, शक्रः Indra, मे to me, योजनम् one yojana, आयतौ long, बाहू two arms, प्रादात् he gave, मे to me, कुक्षौ in the stomach, तीक्ष्णदंष्ट्रम् with sharp teeth, आस्यं च mouth also, अकल्पयत् created.
Having been entreated, Indra created in me two long arms extending upto a yojana and set my mouth with sharp teeth in the stomach.