Have a look at http://www.mathscareers.org.uk/ to see examples of the wide range of careers that require math.
Just as an example, an architect has to measure all of the dimensions for a room, and a lot of fashion is actually loosely related to math (Golden Ratio, anybody?)
Have a look at http://www.mathscareers.org.uk/ to see examples of the wide range of careers that require math.