With this information, you can calculate the quantity of leagues 12 miles is equal to.
¿What is the inverse calculation between 1 league and 12 miles?
Performing the inverse calculation of the relationship between units, we obtain that 1 league is 0.25 times 12 miles.
Which is the same to say that 12 miles is 4 leagues.
Twelve miles equals to four leagues. *Approximation
A league is zero times twelve miles. *Approximation