6. As shown in the figure, from a rectangular cardboard with a length of 13 cm and a width of 9 cm, squares with a side length of 2 cm are cut from each corner, and then, the cardboard is folded along the dotted lines to form a rectangular container. What is the volume of this container in cubic centimeters?
6.【Solution】The base area of the container is: $(13-4) \times(9-4)=45$ (square centimeters), the height is 2 centimeters, so the volume of the container is, $45 \times 2=90$ (cubic centimeters). Answer: The volume of the container is 90 cubic centimeters.