Phaladeepika
मातङ्गलब्धं शुद्धायुर्भवतीति न संशयः । पूर्ववद्दिनमासाब्दान् कृत्वा तस्य दशा भवेत् ॥ ३२॥
The product should be divided by 365, The quotient will be the correct rectified Ayus contributed severally by the planets, and may be shown in years, months, days, etc., and will be their Dasa periods.
english translation
mAtaGgalabdhaM zuddhAyurbhavatIti na saMzayaH । pUrvavaddinamAsAbdAn kRtvA tasya dazA bhavet ॥ 32॥
hk transliteration by Sanscript