(Sorry I'm late)
The capacity of the square base can is 5 x 5 x 14 (bottom face area x height) = 350 (cm3).
The capacity of the circular base can is 3.5 x 3.5 x pi x 12 = 461.814120078.. (round to 462)
So, the circular base can has a greater capacity and by 462-350 = 112 cm3