Step 1: Write out the formula for the volume of a cube


Step 2: Write out the given value of the side of the square and substitute it into the formula


Step 3: Write out the formula to find the number of cubes of a given volume that can fill the container of a given value

Step 4: Write out the volume of the glass case and the cube and substitute them into the formula in step 3

Therefore,

Hence, the number of cubes is 4
The right option is C