 
 <prompt> John get 3 boxes. Each box na 5 inches by 6 inches by 4 inches. The walls dey 1 inch thick. Wetin be the total inner volume of all 3 boxes? Write one function for python. <response>: ```
def solution():
    """John get 3 boxes. Each box na 5 inches by 6 inches by 4 inches. The walls dey 1 inch thick. Wetin be the total inner volume of all 3 boxes?"""
    box_length = 5
    box_width = 6
    box_height = 4
    box_wall_thickness = 1
    box_inner_length = box_length - 2 * box_wall_thickness
    box_inner_width = box_width - 2 * box_wall_thickness
    box_inner_height = box_height - 2 * box_wall_thickness
    box_inner_volume = box_inner_length * box_inner_width * box_inner_height
    num_boxes = 3
    total_inner_volume = box_inner_volume * num_boxes
    result = total_inner_volume
    return result
``` 