Travel expert reveals little known maths trick that helps you find the spaciest cruise for your summer holiday

A CLEVER travel hack has revealed the best way to enjoy an ocean cruise with extra room.

The handy little hack requires a bit of travel maths, but will guarantee you a comfortable cruise instead of being crammed like sardines.

While most travel tips and hacks will advise you to avoid booking relaxing getaways during school holidays and peak holidays times, this one requires you to understand...