Abandoned as a Fool, I Became the Math Queen

After a car crash, a girl is left dying on the roadside by her parents, who abandon her to tend to her uninjured sister. Surviving against all odds, she is taken in by a renowned professor and grows into a math prodigy whose talent is worth a fortune. Years later, her birth parents fall into bankruptcy and come begging for money, forcing her to confront the cruelty that once cut her off from her family.