Chapter 64: Math Genius After chatting with Third Uncle for a bit, Zhou Yimin finally left. "Look at this peanut oil, so pure! Not even a trace of residue." Third Aunt said happily. This one jin of oil would last their family quite a while. Right now, almost every household was short on cooking oil. Zhou Yimin bringing over a jin of oil was even more precious than bringing meat—after all, you couldn’t get that much oil even from a whole jin of meat. “Mhm! This kind of oil is probably filtered.…