Spiritual Roots Destroyed? I Rely on Mathematics, Physics and Chemistry to Cultivate Immortality

The day the leader announced that all my spiritual roots were destroyed and I was expelled from the mountain gate, the whole sect breathed a sigh of relief. For three hundred years, they have always been afraid of me, a "problemist" who was admitted in the mortal world. I bowed and smiled, and took out the "Simulation of Five and Three Years of Cultivation to Immortality" written overnight: "This is my last small gift to you all." Later, the demon world came under pressure and the fairy world was retreating steadily. However, I was holding a Casio calculator in one hand and unfolding the Lópida Law Array with the other hand. From the sky, my calm voice came: "Do you need extracurricular tutoring?"