Answer:
336 nails
Step-by-step explanation:
There are 3 boxes and each box has 14 packs of nails and each pack of nails has 8 nails. Then, the number of nails is equal to the multiplication of these numbers, so:
3 x 14 x 8 = 336 nails
Therefore, there are a total of 336 nails in 3 large boxes