Which expression is equal to the number of milliliters (ml) in 12.5 liters (l)?
a. 1/(12.5l) * (1l)/(1ml)
b. 12.5ml * (1l)/(1ml)
c. 1/(12.5l) * (1000ml)/(1l)
d. 12.5l * (1ml)/(1l)