During science class, groups measure out different volumes of vinegar. The line plot below shows the amount of vinegar used by $12$ groups.
**What is the total amount of vinegar, in milliliters, used by the $3$ groups that used the most?**
*The line plot shows the data rounded to the nearest $\dfrac{1}{2}$ milliliter.*
[[☃ input-number 1]]$\text{ mL}$