8. Determine the number of boxes

Nisha bought some special gifts for her students. She has the gift wrapper sheet to wrap the gift box. The area of the sheet is 856 \(m^2\). How many boxes of dimensions $56\mathit{cm}\times 48\mathit{cm}\times 40\mathit{cm}$ can be wrapped using the gift wrapper?

 

Number of boxes can be wrapped \(=\)