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