Given
[tex]6\frac{2}{5},\frac{5}{6},1\frac{1}{4}[/tex]Product means multplication
[tex]6\frac{2}{5}\times\frac{5}{6}\times1\frac{1}{4}[/tex]Change the mixed fraction to improper fraction
[tex]\begin{gathered} \frac{32}{5}\times\frac{5}{6}\times\frac{5}{4}=\frac{4}{1}\times\frac{1}{3}\times\frac{5}{1} \\ \frac{4}{1}\times\frac{1}{3}\times\frac{5}{1}=\frac{20}{3}=6\text{ }\frac{2}{3} \end{gathered}[/tex]The final answer
[tex]6\text{ }\frac{2}{3}\text{ or }6.6667[/tex]