Verse 37

रामलक्ष्मणशत्रुघ्नाः प्राप्तस्य स्वाश्रमं गुरोः ।अभ्यर्च्य चरणौ भक्त्या त्वाजग्मुर्नृपमन्दिरम्

In plain words

Rāma, Lakṣmaṇa and Śatrughna, having with devotion worshipped the two feet of their guru as he reached his own āśrama, then came to the king's palace.