class TestNumberHelpers

def gigabytes(number) 

def gigabytes(number)
  megabytes(number) * 1024
end

def kilobytes(number) 

def kilobytes(number)
  number * 1024
end

def megabytes(number) 

def megabytes(number)
  kilobytes(number) * 1024
end

def terabytes(number) 

def terabytes(number)
  gigabytes(number) * 1024
end