Mike, Mason and Chewy shared a delicious pot of mushroom soup without any soup leftover. Mason\textquotesingle s portion was $\frac{2}{3}$ that of Chewy\textquotesingle s, while Chewy\textquotesingle s portion was $40 \%$ that of Mike\textquotesingle s. If Mason\textquotesingle s portion was $550\text{ml}$ less than Mike\textquotesingle s, find the total amount of soup the three of them drank (in litres). 
Overseas Competition->Knowledge Point->Calculation Modules