If the total distance is calculated, it should be calculated as follows:

1. Lao Wang refuels at the gas station. He will go to a place about 0/80km away from the gas station/kloc-to do business, and then go back to the gas station to refuel. Q: How many kilometers did Yi * * walk?

Addition formula: 180+ 180=360 (km)

Multiplication formula: 180×2=360 (km)

A: A * * * walked 360 kilometers.

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