What is 7,999,875,890 x 8,456,876,900,867

5 answers

67,653,965,623,943,833,396,630 I love math, but this is the craziest problem I have ever had.
Put those numbers into Google or a good calculator. So easy.
But the point is to see if you can mutiply. I did it on paper and above is what I got.
but isn't that cheating writeacher?

Writeacher says — Everyone needs to learn all the different tools at his/her disposal. You should know how to use paper and pencil, calculators, Google, wolframalpha.com, and any other online calculator. Why would you learn to use only one?
If the point was to " is to see if you can multiply" it could just as readily been achieved with a problem such as
48*176
but I guess they didn't just want you to use a calculator, since a standard calculator could not carry all the digits of the answer.
e.g. https://www.google.com/search?q=7%2C999%2C875%2C890+x+8%2C456%2C876%2C900%2C867&oq=7%2C999%2C875%2C890+x+8%2C456%2C876%2C900%2C867&aqs=chrome..69i57j6j69i60.1991j0j8&sourceid=chrome&ie=UTF-8

but, from the best there is .....
https://www.wolframalpha.com/input/?i=evaluate+7%2C999%2C875%2C890+x+8%2C456%2C876%2C900%2C867