Answer:
98415 in³
Step-by-step explanation:
First you want to find the total volume of the box, This would be done by multiplying the length, width and height. The equation would look like,
9×9×9=6561
Now that you have the total volume of one box, you will multiply all of the total boxes to the the area of each box. The equation would look like,
6561×15=98415