How many roads does Xiaoming have from home to school? How many meters is the shortest way? Xiaoming's home is 800 meters from the Children's Palace to the school, and Xiaoming's home is 4 meters from the library. Is it 800 meters from Xiaoming's home to the Children's Palace? Then there are always three ways to go.

The first one: go to the library first, and then walk 480+600 to school.

The second type: first go to the Children's Palace, then go to the library, and then go to the school and take 800+650+600.

The third type: go to the children's palace first, then go to school, take 800+800.

It's the first time to walk1080m recently.