Part A

In Europe, gasoline efficiency is measured in $k\frac{m}{L}.$ If your car's gas mileage is $27\mathrm{.}0m\frac{i}{g}al,$ how many liters of gasoline would you need to buy complete a $142-km$ trip in Europe? Use the following conversions: $1km=0\mathrm{.}6214mi$ and $1$gal$=3\mathrm{.}78L.$

Express your answer numerically in liters.