It's about 300,000 times the number of Escalators in the State of Wyoming.
In other words, the count of Escalators in the State of Wyoming is 0.00000300 times 660,000.(2013 figures)
It's about one-four-hundred-fifty-thousandth the number of Emails Sent per Day.
In other words, 660,000 is 0.000002240 times the count of Emails Sent per Day, and the count of Emails Sent per Day is 446,000 times that amount.(2010 figures) (estimated averages)
Each day, human computer users and automated programs send about 294 billion emails. Of those, an estimated 214 billion emails are spam advertisements for pharmaceuticals or drugs.