Two NumbersTrick brain teasers appear difficult at first, but they have a trick that makes them really easy.
One day, Bob came up to Paul and said, "I bet if you say two numbers and I multiply them together, I can say the answer in less than five seconds."
"Okay," replied Paul, "23,904,888,112 times 209,674,999,109." Bob won the bet fairly. How did he do it? (There are two alternate answers) What Next?
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