I'm in the Third Year of High School, What the Hell Is the Immortality Cultivation System?

After Zhou Heng passed away lying on a cold hospital bed, he was unexpectedly reborn the day before the 100-day swearing-in ceremony for the college entrance examination. Looking at his lover's youthful appearance, he vowed to change his regrets in this life and live up to the people he loved and the people who loved him. At this moment, the system prompt sounded in my mind. [The Immortality Cultivation System is loading...] [Task: Face the elders' questioning and resolve the Taoism test questions] [Task reward: Yellow level skill ×1, comprehension +1] Zhou Heng looked up and found that the math teacher asked him to come on stage to answer questions. Zhou Heng: The co-authorship test questions are math questions? The mission was completed and he was confused after receiving the reward... "So it's such a skill?"