Come up with a question and reasoning that would justify this answer: 21
The question is: Chelsea has 24 kilos of sugar. She divides them into 4 bags equally. Then one of the bags gets torn and half of the sugar falls to the ground. How many kilos of sugar remain?
Step-by-step reasoning process: Each bag has 24 / 4 = 6 kilos of sugar. 6 / 2 = 3 kilos of sugar falls to the ground. 24 - 3 = 21 kilos of sugar remains.