function multiply( object a, object b )
    return a * b
end function

sequence a = {1,2,3,4}
sequence b = {5,6,7,8}

? multiply( 9, 9 )
? multiply( 3.14159, 3.14159 )
? multiply( a, b )
? multiply( a, 7 )
? multiply( 10.39564, b )