Muhammad said: "Salaman" (Peace) is in the accusative case (mansub) based on the meaning: "We grant peace." As for "Salamun" (Peace), it is in the nominative case (marfu') based on the meaning: "My affair is peace."
"And he did not delay in bringing a roasted calf" (hanidh), meaning: grilled.
قَالَ محمدٌ: (سَلامًا) منصوبٌ عَلَى مَعْنَى: سَلَّمْنَا سَلامًا، وَأَمَّا (سلامٌ) فمرفوعٌ عَلَى مَعْنَى: أَمْرِي سلامٌ.
﴿فَمَا لَبِثَ أَنْ جَاءَ بِعِجْلٍ حنيذ﴾ مشوي