Question 151310
In a 2X2X2 block of wood there are {{{2^3 = 8}}} cubic inches of wood, so the termites devour 8 cubic inches of wood in a day.
In a 4X4X4 block of wood there are {{{4^3 = 64}}} cubic inches of wood, so the termites will take 8 days (8 times 8 = 64) to devour the 4X4X4 block.