What’s the most efficient way to do 4000 push ups and crunches a day slot up like how many should I do per 30 mins or per hour

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5