On-line Challenge: Ant & Honey

The Puzzle
[size=100]Inside a rectangular box, with length 30 inches and height and width 12 inches, an ant is located at the middle of one side, 1 inch from the bottom of the box.[br][br]There is a drop of honey located at the middle of the opposite side, 1 inch from the top. Please note that the ant and the honey drop are at the middle of the sides, that means 6 inches from the edges.[br][br]What is the shortest distance the ant would need to crawl to get the honey?[/size]
solution
https://youtu.be/TbpgvQvM008

Information: On-line Challenge: Ant & Honey