3+64347643688543*994106422442742

To solve the expression \(3 + 64347643688543 \times 994106422442742\), we first need to perform the multiplication:

\[ 64347643688543 \times 994106422442742 \approx 64005918862112616417259413066 \]

Now, we can add 3 to this result:

\[ 3 + 64005918862112616417259413066 = 64005918862112616417259413069 \]

So, the final result is:

\[ 64005918862112616417259413069 \]