5. (7 points) As shown in the figure, 180 bricks are piled up on the construction site, with two sides of the brick pile against the wall. If the surface of this brick pile is to be painted white, then the number of bricks that will be painted white is $\qquad$ blocks.

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Note: The last sentence is a repetition of the instruction and should not be included in the translated text. Here is the final version:

5. (7 points) As shown in the figure, 180 bricks are piled up on the construction site, with two sides of the brick pile against the wall. If the surface of this brick pile is to be painted white, then the number of bricks that will be painted white is $\qquad$ blocks.
【Solution】Solution: $(4 \times 3+3) \times 4+9 \times 4$,
$$
\begin{array}{l}
=56+36, \\
=92 \text { (pieces); }
\end{array}
$$

Answer: The bricks painted white total 92 pieces; hence the answer is: 92.