Briana possess three boxes that vary in sizes. One is large, one is medium and one is small. She places 11 large boxes on her bed. Then, she places 8 medium sized boxes in some and leave some empty. Now she puts 8 small boxes in some of the medium ones and leave the others empty. The small boxes are all empty and now she 102 out of all the boxes on the bed are empty.
How many boxes did Briana used?