Translate "Also, as at the same date, the Optional Protocol to the Convention on the Rights of the Child on the sale of children, child prostitution and child pornography had been ratified or acceded to by 124 States parties and signed by 115 States." to French?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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À la même date, également, 124 États parties avaient ratifié le Protocole facultatif se rapportant à la Convention relative aux droits de l'enfant concernant la vente d'enfants, la prostitution des enfants et la pornographie mettant en scène des enfants ou y avaient adhéré et 115 États l'avaient signé.