C270 First Bag!

Han Siqi looked at my answer with a helpless expression. She didn't believe it at all in her heart, because if I could solve the mystery, she felt that even a sow could climb a tree. However, in order not to ruin my mood, she unwillingly opened the information book to check if the answer was correct.

However, there was only one answer, and no formula. As Han Shiqi said this