You forgot the comma Bob
19108 seconds. - Even with a comma (which isn't a decimal point), the figure is the same 19 thousand, 1 hundred (and), 08seconds.
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A comma is commonly used to indicate groups of 1 thousand, in that 19,108 seconds. etc. is indicating 19 thousand 1 hundred and 08 seconds.
You need to buy a new calculator as yours is clearly broken.
Please stop splitting hairs. The OP clearly knows what he entered and meant, I rather doubt he would be overly concerned if the time delay to go into sleep mode was only 1/3rd of a minute.