OMG! Leah's room is too messy. Mom always criticizes her. Let's help Leah clean up. First, we need to classify the items according to the order, and then arrange them neatly from large to small, and secondly, the quantity of each item is the same. After completing these two steps, the room will be cleaned. Let's help a bunch of Leah together and make mom happy. Let's act quickly!