A rectangular prism measures 7 1 2 7 2 1 ​ ​​ cm cm​ by 12 12​​ cm cm​ by 15 1 2 15 2 1 ​ ​​ cm cm​. a) Calculate the number of cubes with edge length 1 2 2 1 ​ ​ cm cm​​ that fit in this prism. 11160 cubes cubes Preview 11 , 160 11,160 cubes cubes stars Correct. Good Job! ​ b) What is the volume of the prism in cm 3 cm 3 ​? Show your reasoning. If you are stuck, think about how many cubes with 1 2 2 1 ​ ​ cm cm​ edge lengths fit into 1 1​ cm 3 cm 3 ​.