How Did They Fudge That?

When Ben was a teenager, his friend who lived down the road worked out that there was a Radio 5 Live Kids quiz on a Saturday morning. So he won it every week because he would really know when else was ringing up nationwide. He even got a touch of the uni which was a real kick in the nads. And then I also won. The second one is like a quiz and it was me versus some girl somewhere in Britain. And it came down to a tiebreaker - what's the combined height of Gary and Phil Neville? In metres how tall are they both?" "I reckon they're about 6'8". 12'3". How many metres? How many feet