Answer: Hello!
2.47 is a number between 2 and 3, you can notice it because this number is 2 + 0.47
For the other part, 24,700 is very large number (you can see that this number has a coma, not a decimal point).
in fact, 2.47*10000 = 24,700
then 24,700 is 10000 times the number 2.47.