'SHORT FORMS:
float multiply(float a,b) = a * b
float multiply(float a,b) { return a * b}

'BASIC FORM:
function multiply(float a, float b) as float
  return a * b
end function

'BASIC LEGACY FORM:
function multiply(byval a as float, byval b as float) as float
  function = a * b
end function

'TEST:
print multiply(pi,2) '6.28...