198+507=705 (m).
A: It's 705 meters from Huanhuan's home to the school through the shop.
(2) How many meters is the distance between Huanhuan's home and the school more than the distance between Huanhuan's home and the shop?
486- 198=288 (m).
A: The distance between Huanhuan's home and the school is 288 meters longer than that between Huanhuan's home and the shop.