2. (5 points) Xiao Fou buys 3 erasers and 5 pencils for 10.6 yuan. If he buys 4 erasers and 4 pencils of the same type, he needs to pay 12 yuan. Then the price of one eraser is $\qquad$ yuan.
【Solution】Solution: $(12 \times 5-10.6 \times 4) \div(5 \times 4-3 \times 4)$
$$
\begin{array}{l}
=(60-42.4) \div 8 \\
=17.6 \div 8 \\
=2.2 \ (\text{yuan})
\end{array}
$$

Answer: Each eraser costs 2.2 yuan.
Therefore, the answer is: 2.2.