8. (5 points) If two 0s are added after a number, the new number is 1980 more than the original number. What is this number? $\qquad$
【Solution】Solve: $1980 \div(100-1)$
$$
\begin{array}{l}
=1980 \div 99 \\
=20
\end{array}
$$

Therefore, the answer is: 20 .