the.com/mileage
The distance your fuel covers and your stories conveniently exaggerate.
means The number of miles traveled or covered per unit of fuel, or the usefulness you get from something.
from From the mile (Latin mille passuum, a thousand paces) plus -age, a noun suffix denoting amount or rate, surfacing in 19th-century travel and rail costs.
Figurative useYour mileage may vary born from car-ad fine print.
Roman rootsA mile was literally a thousand Roman soldier strides.
Negotiation slangGetting mileage means squeezing value from anything.