2. (8 points) Legend has it that those who can find a four-leaf clover in a field of three-leaf clovers are lucky people. One day, Jiajia was picking three-leaf clovers in a big forest. When she picked her first four-leaf clover, she found that the total number of leaves she had picked was exactly 1000. How many three-leaf clovers did she have $\qquad$?
【Answer】Solution: $(1000-4) \div 3$
$$
\begin{array}{l}
=996 \div 3 \\
=332 \text { (clovers) }
\end{array}
$$

Answer: She already has 332 clovers. Therefore, the answer is: 332.